Anatomy 3 test 1 Flashcards Preview

Anatomy > Anatomy 3 test 1 > Flashcards

Flashcards in Anatomy 3 test 1 Deck (825):
1

What is the upper limb?

Upper limb is the most movable part for a human being.

2

Upper limb
4 parts

shoulder
arm
forearm
hand

3

between the shoulder and arm

connection shoulder

4

between arm and forearm

elbow

5

between forearm and hand

wrist

6

shoulder
3 parts

pectoral region
scapular region
lateral superscapular region

7

hand
3 parts

palm
dorsum
fingers

8

pectoral (shoulder) girdle
bones

scapula
clavicle

9

forearm bones

ulna
radius

10

arm bone

humerous

11

hand bones

carpus
metacarpus
phalanges

12

joints
connection shoulder

glenohumeral joint

13

joints
elbow

elbow joint
proximal radioulnar joint

14

joint
wrist

wrist joint
distal radioulnar joint

15

Similarities between upper and lower limbs
Bony Girdle

upper=pectoral girdle and free part
lower=pelvic girdle and free part

16

Axial bones

bones of head
bones of neck
bones of trunk

17

superior appendicular bone

pectoral girdle + free part

18

inferior appendicular bone

pelvic girdle + free part

19

pectoral girdle connects to

manubrium

20

pelvic girdle connects to

sacrum

21

proximal to distal
number of bones

increasing

22

proximal to distal
size of bones

decreasing

23

most proximal upper limb bone

humerous

24

most proximal lower limb bone

femur

25

2nd proximal lower limb bone

tibia and fibula

26

2nd proximal upper limb bone

radius and ulna

27

number of wrist bones

8

28

number of ankle bones

7

29

hand # of metacarpals

5

30

foot # of metatarsals

5

31

phalanges of hand

14

32

phalanges of foot

14

33

the iliac bones connect to the sacrum in a ____ but less ______ way than the connection between the pectoral girdle to manubrium

strong: movable

34

The scapulas of both sides don't ______ but are _______.

connect: move

35

The iliac bones do _______ but are _______.

connect; immovable

36

The radius and ulna both articulate with the _______

humerous

37

What phalanges are most movable?

hand

38

Upper limb is _______; whereas the lower limb is _______.

flexable: stronger

39

The joint between the superior appendicular skeleton and axial skeleton is?

sternoclavicular joint

40

shoulder fixing muscles

axioappendicular muscles

41

Clavicle
parts

shaft
medial (sternal) end
lateral (acromial) end

42

Clavicle
enlarged end

medial

43

Clavicle

flat end

lateral

44

Clavicle
medial end articulates

manubrum
SC joint

45

Clavicle
lateral articulation

acromion of the scapula
Acromioclavicular joint (AC joint)

46

Clavicle
superior surface is under

skin, subcutaneous n., platysma

47

Clavicle
inferior surface

rough due to attachements

48

Clavicle
conoid tubercle gives attachment

conoid ligament

49

Clavicle
trapezoid line gives attachment to

trapezoid lig.

50

Clavicle
What are the inferior ligaments know collectively?

coracoclavicular ligaments

51

Clavicle
subclavian groove

attachment of subclavius m

52

Clavicle
area for costoclavicular lig attachment

costoclavicular lig

53

Clavicle
functions (3)

1. Strut
2. Canal
3. Spring

54

Strut
definition

spacer from manubrium to upper limb for range of motion

55

canal
location

between clavicle,
scapula, and
1 st rib

Cervicoaxillary canal

56

Spring
function

decreases shock or impact from upper limb to axial skeleton

57

Scapula
location

posterolateral aspect of the thorax

58

Scapula
4 fossas

supraspinous
infraspinous
subscapular
glenoid fossas

59

Scapula
2 angles

superior
inferior

60

Scapula
3 borders

medial (vertebral)
lateral (axillary)
superior

61

Scapula
1 distinct feature

spine

62

Scapula
1 distinct feature of the spine

crest of spine

63

Scapula
2 processes

acromion
coracoid

64

Scapula
2 notches

suprascapular notch/ suprascapular foramen
spinoglenoid notch

65

Scapula
2 tubercles

supraglenoid tubercle
infraglenoid tubercle

66

Scapula
Glenoid fossa=

Glenoid cavity

67

The glenohumeral goint is the connection of

head of the humerous
glenoid cavity/ fossa

68

Scapula
flat expansion of the spine

acromion process

69

Scapula
Coracoid process provides attachment for

coracoiclavicular ligaments

70

Scapula
Suprascapular notch location

lateral third of superior border

71

Scapula
suprascapular notch crossed by a lig=

suprascapular foramen

72

Scapula
movement on thoracic wall by "imaginary joint"

scapulothoracic joint

73

Humerous
description
non-specific

largest bone in upper limb

74

Humerous
articulation

superior-scapula at glenohumeral joint
inferior-radius and ulna at elbow

75

Humerous
superior portion (1)

head

76

Humerous
tuberosity 1

deltiod tuberosity

77

Humerous
1 _______ and 1______

capitulum
trochlea

78

Humerous
2 necks

anatomical
surgical

79

Humerous
2 tubercles

greater
lesser

80

Humerous
2 grooves

intertubecular groove
spiral (radial) groove

81

Humerous
2 crests

crest of greater tubercle
crest of lesser tubercle

82

Humerous
2 epicondyles

medial
lateral

83

Humerous
2 supracondylar ridges

medial
lateral

84

Humerous
3 surfaces

anteromedial
anterolateral
posterior

85

Humerous
3 fossas

radial
coronoid
olecranon

86

Humerous
head shape

half-round

87

Humerous
deltoid tuberosity attaches

deltoid m

88

Humerous
capitulum=

joint surface for head of radius

89

Humerous
trochlea=

joint surface for trochlear notch of ulna

90

Humerous
anatomical neck attaches

capsule of glenohumeral joint

91

Humerous
easy fracture point

surgical neck

92

Humerous
intertubercular groove is for

tendon of biceps m.

93

Humerous
spiral (radial) groove is for

radial n.
deep artery of the arm

94

Humerous
spiral (radial ) groove two side attachments

medial head
lateral head
triceps brachii

95

Humerous
radial fossa holds

head of radius

96

Humerous
coronoid fossa holds

coronoid process

97

Humerous
place for recieving the olecronon during full extension of elbow

olecranon fossa

98

Ulna
non-specific description

located medially
longer of the two forearm bones

99

Ulna
specialized for

articulation with humerous

100

Ulna
features
1 of what structures

head
supinator fossa
styloid process of ulna
ulnar tuberosity

101

Ulna
2 processes

olecranon
coronoid

102

Ulna
2 notches

troclear
radial

103

Ulna
3 borders

anterior
posterior
interosseous

104

Ulna
3 surfaces

anterior
posterior
medial

105

Ulna
supinator crest
location and attachment

under radial crest
supinator m.

106

Ulna
supinator fossa
attachment

supinator m.

107

Ulna
ulnar tuberosity
attachment

brachialis m.

108

Ulna
olecrenon process and coronoid process belong to

trochlear notch

109

Ulna
olecrenon process and coronoid process
act like

jaws of a wrench to hold trochlea of humerus

110

Ulna
olecrenon process and coronoid process and ulnar tuberosity allow

elbow joint to do flexion and extension

111

Ulna
radial notch recieves

head of the radius

112

Ulna
styloid process
location

head of ulna

113

Ulna
does not reach inferiorly

wrist joint (radiocarpal joint)

114

Radius
non-specific description

lateral
shorter of the two forarm bones

115

Radius
specialized for

articulation with carpal bones

116

Radius
features
1 of each (6 structures)

head
neck
radial tuberosity
anterior oblique line
ulnar notch
styloid process of radius

117

Radius
2 areas for articulation

scaphoid articulation area
lunate articulation area

118

Radius
3 borders

anterior
posterior
interosseous (medial)

119

Radius
3 surfaces

anterior
posterior
lateral

120

Radius
head
shape and articulation

concave
1. capitulum of humerus
2. radial notch of ulna

121

Radius
Styloid process= _____than styloid process of ulna

longer

122

Radius
ulnar notch
shape and articulation

concavity
head of ulna

123

Carpals
number

8

124

Carpals
proximal row

scaphoid
lunate
triquetrum
pisiform

125

Carpals
distal row

trapezium
trapezoid
capitate
hamate w/ hook of hamate

126

Carpals
Scaphoid shape

boat

127

Carpals
lunate shape

moon

128

Carpals
triquetrum shape

pyramidal

129

Carpals
pisiform shape

small, pea shaped

130

Carpals
trapezium shape

four sided

131

Carpals
trapezoid shape

wedge

132

Carpals
capitate shape

largest
head shaped

133

Carpals
hamate shape

wedge
with a hook called hook of hamate

134

Carpals
proximal row articulates

proximal-radius
distal-proximal surface of distal row

135

Carpals
distal row articulates

proximal-distal surface of proximal row
distal- metacarpals

136

Metacarpals
number

5

137

Metacarpals
features

base,
shaft,
head

138

Metacarpals
articulates

carpal bones
proximal phalanges

139

Metacarpals
articulates
forms

knuckles at phalange joint

140

Phalanges
number of bones per digit

3
proximal
middle
distal

141

Phalanges
exception

1st digit

142

Phalanges
smaller from

proximal to distal

143

Phalanges
structures

base
head
shaft

144

Phalanges
distal end becomes

flat

145

Superficial structure from superficial to deep

skin
subcutanreous tissue (fascia)
deep fascia
muscle

146

Deep fascia of upper limb
function

invest and seperate the muscles

147

Deep fascia of upper limb
pectoral fascia
attachments

clavicle and sternum

148

Deep fascia of upper limb
pectoral fascia
covers

pectoralis major

149

Deep fascia of upper limb
Clavipectoral fascia
attachments

sup-clavicle
inferior-axillary fascia

150

Deep fascia of upper limb
Clavipectoral fascia
covers

subclavian m
pectoralis minor

151

Deep fascia of upper limb
Clavipectoral fascia
divisions

costocoracoid fascia
suspensory ligament of the axilla

152

Deep fascia of upper limb
Clavipectoral fascia
costocoracoid fascia
location

between pectoralis minor and
subclavius m

153

Deep fascia of upper limb
Clavipectoral fascia
suspensory ligament of the axilla
location

below pectoralis minor
connecting with axillary fascia

154

Deep fascia of upper limb
Axillary fascia
connects and covers

with pectoralis major m
covers axilla

155

Deep fascia of upper limb
Deltoid fascia
covers

deltoid m.
acromion
scapular spine

156

Deep fascia of upper limb
deltoid fascia
continuous with

pectoral fascia anteriorly
infraspinous fascia posteriorly

157

Deep fascia of upper limb
supraspinous fascia
infraspinous fascia
covers

supra-supraspinatus m.
infra-infraspinatus m

158

Deep fascia of upper limb
Brachial fascia
covers and continuous with

arm (like a sleeve)

continuous with
deltoid fascia
pectoral fascia
axillary fascia superiorly

antebrachial fascia- inferiorly

159

Deep fascia of upper limb
Brachial fascia
attaches

epicondyles of the humerus
olecrenon of ulna

160

Deep fascia of upper limb
Medial and Lateral intermuscular septa
origin-insertion

origin-brachial fascia
insertion- two epicondylar ridges of humerus

161

Deep fascia of upper limb
Medial and Lateral intermuscular septa
divides arm into

anterior (flexor) fascial compartment

posterior (extensor) fascial compartment

162

Deep fascia of upper limb
Antebrachial fascia
encloses

muscles of the forearm

163

Deep fascia of upper limb
extensor retinaculum
location

posteriorly on the distal part of the forearm

164

Deep fascia of upper limb
palmer carpal ligament
location

anteriorly on the distal part of the forearm

165

Deep fascia of upper limb
flexor retinaculum (transverse carpal ligament)
location

anterior and deep to the palmer carpal lig.

166

Deep fascia of upper limb
palmar fascia
2 parts

palmar aponeurosis

superficial transverse metacarpal ligament

167

Deep fascia of upper limb
palmar fascia
central part

palmar aponeurosis

168

Deep fascia of upper limb
palmar fascia
continuous with tendon of palmaris longus m.

palmar aponeurosis

169

Deep fascia of upper limb
palmar fascia
distal part of palmar aponeurosis

fibrous (tendon) sheaths of the digits

170

Deep fascia of upper limb
palmar fascia
what crosses the sheaths of the digits

Superficial transverse metacarpal ligament

171

Cutaneous Nerves of the Upper Limb
Suprascapular nerves

(C3,C4)

172

Cutaneous Nerves of the Upper Limb
Superclavicular nn
supplies

clavicle
superolateral aspect of pectoralis major m area

173

Cutaneous Nerves of the Upper Limb
posterior cutaneous nerve of the arm

(C5-C8)

174

Cutaneous Nerves of the Upper Limb
posterior cutaneous nerve of the arm
supplies

posterior skin of arm

175

Cutaneous Nerves of the Upper Limb
posterior cutaneous nerve of the arm
branch of

radial n

176

Cutaneous Nerves of the Upper Limb
posterior cutaneous nerve of the forearm

(C5-C8)

177

Cutaneous Nerves of the Upper Limb
posterior cutaneous nerve of the forearm
supplies

posterior skin of the forearm

178

Cutaneous Nerves of the Upper Limb
posterior cutaneous nerve of the forearm
branch of

radial n

179

Cutaneous Nerves of the Upper Limb
superior lateral cutaneous nerve of the arm

(C5-C6)

180

Cutaneous Nerves of the Upper Limb
superior lateral cutaneous nerve of the arm
supplies

deltoid skin

181

Cutaneous Nerves of the Upper Limb
superior lateral cutaneous nerve of the arm
branch of

terminal branch of axillary

182

Cutaneous Nerves of the Upper Limb
inferior lateral cutaneous nerve of the arm

(C5-C6)

183

Cutaneous Nerves of the Upper Limb
inferior lateral cutaneous nerve of the arm
supplies

inferolateral of arm

184

Cutaneous Nerves of the Upper Limb
inferior lateral cutaneous nerve of the arm
branch of

radial n.

185

Cutaneous Nerves of the Upper Limb
lateral cutaneous nerve of the forearm

(C6-C7)

186

Cutaneous Nerves of the Upper Limb
lateral cutaneous nerve of the forearm
supplies

lateral skin of forearm

187

Cutaneous Nerves of the Upper Limb
lateral cutaneous nerve of the forearm
branch of

musculocutaneous n

188

Cutaneous Nerves of the Upper Limb
medial cutaneous nerve of the arm

(C8-T2)

189

Cutaneous Nerves of the Upper Limb
medial cutaneous nerve of the arm
supplies

medial skin of the arm

190

Cutaneous Nerves of the Upper Limb
medial cutaneous nerve of the arm
branch of

medial cord of the brachial plexus

191

Cutaneous Nerves of the Upper Limb
intercostobrachial N

(T2)

192

Cutaneous Nerves of the Upper Limb
intercostobrachial N
supplies

medial skin of arm

193

Cutaneous Nerves of the Upper Limb
intercostobrachial N
branch of

2nd intercostal n

194

Cutaneous Nerves of the Upper Limb
Medial cutaneous n of the forearm

(C8-T1)

195

Cutaneous Nerves of the Upper Limb
Medial cutaneous n of the forearm
supplies

anterior and medial skin of the forearm

196

Cutaneous Nerves of the Upper Limb
Medial cutaneous n of the forearm
branch of

medial cord of brachial plexus

197

Dermatome
Forester

cutaneous distribution by anatomical finding and clinical

198

Dermatome
Keegan and Garrett

development of cutaneous nerves

199

Superficial Veins of the Upper Limb
Main veins

cephalic
basilic

200

Superficial Veins of the Upper Limb
Main veins
origin

dorsal veinous network

201

Superficial Veins of the Upper Limb
dorsal venous network
location

dorsum of the hand

202

Superficial Veins of the Upper Limb
Cephalic vein
begins and travels where

dorsum of the hand

up the lateral side of the elbow

203

Superficial Veins of the Upper Limb
Cephalic vein
connects with

median cubical vein

204

Superficial Veins of the Upper Limb
median cubical vein
travels and joins

across the cubital fossa

joins the basilic vein

205

Where is the deltopectoral groove?

between the deltoid and pectoralis major

206

Superficial Veins of the Upper Limb
Cephalic vein trunk
travels from the basilic vein to

deltopectoral groove
clivipectoral triangle

207

Superficial Veins of the Upper Limb
Cephalic vein trunk
peirces

into costocoracoid membrane (fascia) to join the axillary vein

208

Superficial Veins of the Upper Limb
basilic vein
path

medial side of forearm

209

Superficial Veins of the Upper Limb
basilic vein
pierces

brachial fascia

210

Superficial Veins of the Upper Limb
basilic vein
runs parallel with

brachial artery

211

Superficial Lymphatic drainage of the Upper Limb
small lymph nodes enter into

cubital lymph nodes (medial to basilica v)

212

Superficial Lymphatic drainage of the Upper Limb
cubital lymph nodes (medial to basilica v)
terminate into

humeral (lateral) axillary lymph nodes

213

Superficial Lymphatic drainage of the Upper Limb
accompany cephalic v.

apical axillary lymph nodes
deltopectoral lymph nodes

214

What four muscles connect the anterior axial bones to the anterior appendicular bones?

Pectoralis major
Pectoralis Minor
subclavius m
serratia anterior m

215

What anterior axioappendicular muscles are in the deep of pectoralis major?

subcalvius
pectoralis minor

216

anterior axioappendicular muscles
pectoralis major
covers

most of the thorax and axilla

217

anterior axioappendicular muscles
pectoralis major
two heads

clavicular
sternocostal

218

anterior axioappendicular muscles
pectoralis major
deltopectoral groove

between pectoralis major and deltoid

219

anterior axioappendicular muscles
pectoralis major
deltopectoral triangle contains

groove
costocoracoid membrane

220

anterior axioappendicular muscles
pectoralis major
functions

adduct the arm
rotate the arm

clavicular head independant-flex the humerus

sternocostal head independant- pull back the humerus

221

anterior axioappendicular muscles
pectoralis major
test for strength

pt. abduct arm to 90 degrees,
pt. moves anteriorly against dr. resistance
dr. palpates the clavicular head

222

anterior axioappendicular muscles
pectoralis major
innervation

lateral pectoral n (C5-C7)

medial pectoral n. (C8-T1)

223

anterior axioappendicular muscles
pectoralis major
medial pectoral n.
penetrates

pectoralis minor m.

224

anterior axioappendicular muscles
pectoralis minor
shape

triangular

225

anterior axioappendicular muscles
pectoralis minor
attaches proximal

anterior end of 3rd-5th ribs

226

anterior axioappendicular muscles
pectoralis minor
apex (distal) attachment

coracoid process of scapula

227

anterior axioappendicular muscles
pectoralis minor
functions

fix the scapula if needed to catch

lift ribs to recieve more air

works as a band to hold big nerves and vessels

228

anterior axioappendicular muscles
pectoralis minor
innervation

medial pectoral n
(C8-T1)

229

anterior axioappendicular muscles
subclavius m.
shape

small, round

230

anterior axioappendicular muscles
subclavius m.
location

inferior to the clavicle w/ longitundinal position

231

anterior axioappendicular muscles
subclavius m.
attachment proximal

1st rib

232

anterior axioappendicular muscles
subclavius m.
distal attachment

middle third of clavicle

233

anterior axioappendicular muscles
subclavius m.
function

fixes clavicle if upper limb moves

protects subclevian vessels

234

anterior axioappendicular muscles
subclavius m.
innervation

nerve to subclavian m.
(C5-C6)

235

anterior axioappendicular muscles
serratus anterior m
shape

broad sheet muscles
looks like a saw

serratus=saw

236

anterior axioappendicular muscles
covers

lateral side of thorax and becomes medial all of axilla

237

anterior axioappendicular muscles
serratus anterior m
proximal attachment

1st-8th ribs

238

anterior axioappendicular muscles
serratus anterior m
distal attachment

anterior surface of the medial border of the scapula

239

anterior axioappendicular muscles
serratus anterior m
functions

protraction for scapula

rotation for scapula

fixation for scapula

240

anterior axioappendicular muscles
serratus anterior m
innervation

long thoracic n
(C5-C7)

241

anterior axioappendicular muscles
serratus anterior m
clinical
injury to long thoracic n.

muscle paralysis
scapula moves posterior and inferior away from thoracic wall

242

anterior axioappendicular muscles
serratus anterior m
deformation of scapula due to injury of long thoracis n.=

winged scapula

243

posterior axioappendicular and scapulohumeral muscles of upper limb
3 groups

1.superficial posterior axioappendicular muscles

2. deep posterior axioappendicular muscles

3. scapulohumeral muscles

244

superficial posterior axioappendicular muscles
2 muscles

trapezius
latissimus dorsi

245

deep posterior axioappendicular muscles
3 muscles

levator scapulae
rhomboidus major
rhomboidus minor

246

scapulohumeral muscles
6 muscles

deltoid
teres major
supraspinatus
infraspinatus
teres minor
subscapularis

247

Rotator cuff muscles

supraspinatus
infraspinatus
teres minor
subscapularis

248

superficial posterior axioappendicular muscles
Trapezius
shape

large, triangular

249

superficial posterior axioappendicular muscles
Trapezius
covers

posterior neck
posterior superior half of trunk

250

superficial posterior axioappendicular muscles
Trapezius
proximal attachment

superior nuchal line
EOP
nuchal lig
spinous process of C7-T12

251

superficial posterior axioappendicular muscles
Trapezius
distal attachment

lateral third of clavicle
acromion
spine of scapula

252

superficial posterior axioappendicular muscles
Trapezius
distal fibers
division

superior
middle
inferior

253

superficial posterior axioappendicular muscles
Trapezius
fiber function

superior-elevate scapula
middle- retracts the scapula
inferior- depresses the scapula

superior + inferior- rotate the scapula

254

superficial posterior axioappendicular muscles
Trapezius
innervation

Accessory N CN XI

C3-C4

255

superficial posterior axioappendicular muscles
Latissimus Dorsi
shape

large and broad triangular muscle

256

superficial posterior axioappendicular muscles
Latissimus Dorsi
covers

posterior aspect of back

257

superficial posterior axioappendicular muscles
Latissimus Dorsi
proximal attachment

spinous process of T7-T12
thoracolumbar fascia
iliac crest
inferior 3 or 4 ribs

258

superficial posterior axioappendicular muscles
Latissimus Dorsi
distal attachment

floor of the intertubercular groove of humerus

259

superficial posterior axioappendicular muscles
Latissimus Dorsi
function

extends humerus
rotates humerus medially

w/ pectoralis major---powerful adducts humerus

when climbing-raises the body

260

superficial posterior axioappendicular muscles
Latissimus Dorsi
innervation

tharcodorsal n (C6-8)

261

deep posterior axioappendicular muscles
levator scapulae
covered by

trapezius
SCM

262

deep posterior axioappendicular muscles
levator scapulae
proximal attachment

transverse process of C1-C4

263

deep posterior axioappendicular muscles
levator scapulae
distal attachment

superior part of medial border of scapula

264

deep posterior axioappendicular muscles
levator scapulae
function

elevates the scapula in combo with sup. trapezius

rotates the scapula in combo with rhomboid minor and pectoralis minor

extends the neck bilaterally

265

deep posterior axioappendicular muscles
levator scapulae
innervation

dorsal scapular n. C5
Cervical n. C3-4

266

deep posterior axioappendicular muscles
rhomboieus major
deep to

trapezius

267

deep posterior axioappendicular muscles
rhomboieus major
proximal attachment

Spinous of T2-T5

268

deep posterior axioappendicular muscles
rhomboieus major
distal attachment

medial border of scapula

269

deep posterior axioappendicular muscles
rhomboieus minor
proximal attachment

Spinous process C7-T1

270

deep posterior axioappendicular muscles
rhomboieus minor
distal attachment

superior third of medial scapula

271

deep posterior axioappendicular muscles
rhomboieus major + minor
function

retracts the scapula

rotates the scapula to tilt the glenoid cavity down

holds and fixes the scapula to the thorax if the serratus anterior m. contract and pull the scapula forward

272

deep posterior axioappendicular muscles
rhomboieus major + minor
innervation

dorsal scapular n. C4-C5

273

deep posterior axioappendicular muscles
rhomboieus major + major
clinical

injury to dorsal scapular n.=rhomboid mm paralyzed

then scapula will be located farther from the midline than normal side

274

Scapulohumeral muscles of the upper limb

What do these muscles connect?

the scapula with the humerus

275

Scapulohumeral muscles of the upper limb
deltoid
covers

shoulder--forms a round contour for shoulder

276

Scapulohumeral muscles of the upper limb
deltoid
3 parts

anterior
posterior
middle

277

Scapulohumeral muscles of the upper limb
deltoid
proximal attachment

lateral third of clavicle, acromion, and spine of scapula

278

Scapulohumeral muscles of the upper limb
deltoid
distal

deltoid tuberosity of humerus

279

Scapulohumeral muscles of the upper limb
deltoid
functions

abducts the arm when three parts work together

anterior part flexes the arm and rotates it medially

posterior part extends the arm and rotates it laterally

280

Scapulohumeral muscles of the upper limb
deltoid
innervation

axillary n C5-C6

281

Scapulohumeral muscles of the upper limb
Teres Major
proximal attachment

posterior surface of inferior angle of scapula

282

Scapulohumeral muscles of the upper limb
Teres Major
distal

medial lip of intertubeculuar groove of humerus

283

Scapulohumeral muscles of the upper limb
Teres Major
function

adducts the arm
rotates the arm medially

284

Scapulohumeral muscles of the upper limb
Teres Major
innervation

lower subscapular n C5-C6

285

Rotator Cuff muscles (SITS)
forms what?

musculotendinous rotator cuff surrounding the glenohumeral joint

286

Rotator Cuff muscles (SITS)
supraspinatus
location

supraspinous fossa

287

Rotator Cuff muscles (SITS)
supraspinatus
function

initiates the abduction of the arm and assists deltoid

288

Rotator Cuff muscles (SITS)
supraspinatus
innervation

suprascapular n C4-C6

289

Rotator Cuff muscles (SITS)
infraspinatus
location

infraspinus fossa

290

Rotator Cuff muscles (SITS)
infraspinatus
function

rotates arm laterally

291

Rotator Cuff muscles (SITS)
infraspinatus
innervation

suprascapular n.C5-C6

292

Rotator Cuff muscles (SITS)
teres minor
function

rotates arm laterally

293

Rotator Cuff muscles (SITS)
teres minor
innervation

axillary n C5-C6

294

Rotator Cuff muscles (SITS)
subscapularis
function

rotates arm medially
adducts the arm

295

Rotator Cuff muscles (SITS)
subscapularis
innervation

upper and lower subscapular n. C5-C7

296

Axilla
location

at the junction of arm and thorax
inferior to the glenohumeral joint
superior to the axillary fascia

297

Why are people ticklish?

to protect the axilla

298

Axilla
features

apex
base
four walls

299

Axilla
Apex
AKA

cervicoaxillary canal

300

Axilla
Apex
passageway between

neck and the axilla

301

Axilla
Apex
bounded by

1st rib
clavicle
superior edge of scapula

302

Axilla
Base
formed by

skin
subcutaeous tissue
axillary deep fascia

303

Axilla
Base
AKA

axillary fossa
armpit

304

Axilla
Base
four edges

anterior axillary fold
posterior axillary fold
thoracic wall
medial aspect of arm

305

Axilla
anterior wall
formed by

pectoralis major
pectoralis minor

306

Axilla
anterior wall
inferior part

anterior axillary fold

307

Axilla
posterior wall
formed by

scapular bone
subscapularis m
teres major
latissimus dorsi

308

Axilla
posterior wall
inferior part

posterior axillary fold

309

Axilla
medial wall
formed by

thoracic wall (1st-4th rib) associated muscles
serratus anterior

310

Axilla
lateral wall
formed by

intertubercular groove on the humerus

311

Axilla
contents

axillary blood vessles

lymphatic vessels and nodes

large nerves covered by axillary sheath

(All filled by axillary fat)

312

Axilla
arteries
main trunk

axillary artery

313

Axilla
arteries
axillary artery
ends

brachial artery at the inferior border of teres major

314

Axilla
arteries
axillary artery
covered by

pectoralis minor

315

Axilla
arteries
axillary artery
1st part branch

superior thoracic a

316

Axilla
arteries
axillary artery
2nd part branches

thoracoacromial a

lateral thoracic a

317

Axilla
arteries
axillary artery
3rd part branches

subscapular a

anterior circumflex humerus a

posterior circumflex humeral a

318

Axilla
arteries
axillary artery
superior thoracic a
arises

from axillary artery
inferior to the subclavius m

319

Axilla
arteries
axillary artery
superior thoracic a
supplies

subclavius m.
intercostal mm
1st and 2nd intercostal space
serratus anterior

320

Axilla
arteries
axillary artery
thoracoacromial a
pierces

costocoracoid membrane

321

Axilla
arteries
axillary artery
thoracoacromial a
four branches

acromial
deltoid
pectoral
clavicle

322

Axilla
arteries
axillary artery
lateral thoracic a
possible origins

thoracodorsal a
suprascapular a
subscapular a

323

Axilla
arteries
axillary artery
lateral thoracic a
supplies

pectoral mm
serratus mm
intercostal mm
breast

324

Axilla
arteries
axillary artery
subscapular a
size

large

325

Axilla
arteries
axillary artery
subscapular a
descends along with

subscapular m

326

Axilla
arteries
axillary artery
subscapular a
divides into

circumflex scapular artery

thoracodorsal a

327

Axilla
arteries
axillary artery
subscapular a
circumflex scapular a
supplies

muscles on the dorsum of scapula

328

Axilla
arteries
axillary artery
subscapular a
thoracodorsal a
supplies

latissimus dorsi

329

Axilla
arteries
axillary artery
anterior circumflex humeral a
goes between

coracobrachialis m
humerus bone

supplies shoulder

330

Axilla
arteries
axillary artery
posterior circumflex humeral a
accompanies

axillar n.

goes through quadrangular space

331

Axilla
arteries
axillary artery
posterior circumflex humeral a
supplies

glenohumeral joint and surrounding m

332

Axilla
arteries
axillary artery
posterior circumflex humeral a
encircles ?

surgical neck of humerus along with anterior circumflex humeral a. anastomosis

333

Axilla
veins

Axillary vein
from basilic v

334

Axilla
Axillary vein
path

anteromedial side of axillary a

335

Axilla
lymph
node groups

Pectoral (anterior)

Subscapular (posterior

Humeral (lateral

Central

Apical

336

Axilla
lymph
pectoral group
number and location

3-4

inferior border of pectoral m

337

Axilla
lymph
pectoral group
collect from

anterior wall and most of breast

338

Axilla
lymph
subscapular group
number and location

6-7

posterior border of axilla

339

Axilla
lymph
subscapular group
collects from

posterior aspect of throracic wall and scapular region

340

Axilla
lymph
humeral group
number and location

4-6

lateral wall of axilla

341

Axilla
lymph
humeral group
collects from

most of upper limb----
except for lymph vessels with cephalic vein

342

Axilla
lymph
central group
path in and out

receives from three groups-----

sends to apical

343

Axilla
lymph
apical group
location

apex of axilla

344

Axilla
lymph
apical group
collects from

all groups listed +
lymph vessels from cephalic vein

345

Axilla
lymph
apical group
sends lymph to

out of cervicoaxillary canal to subclavian lymphatic trunk

right lymphatic duct-right side
thoracic duct-left side

346

Brachial Plexus
made of

anterior rami of C5-C8 + T1 sn

347

Brachial Plexus
located in two places

neck
axilla

348

Brachial Plexus
divisions by clavicle

supraclavicular part

infraclavicular part

349

Brachial Plexus
divisions---elements

stems
branches

350

Brachial Plexus
branches from end of brachial plexus

terminal branches

351

Brachial Plexus
main stem segments

root
trunk
division
cord

352

Brachial Plexus
root

beginning part (not the root in vertebral canal)

353

Brachial Plexus
trunk
superior

C5-C6

354

Brachial Plexus
trunk
middle

C7

355

Brachial Plexus
trunk
inferior

C8-T1

356

Brachial Plexus
divisions

anterior
posterior

357

Brachial Plexus
cord
lateral cord

anterior divisions unite from

superior +middle

358

Brachial Plexus
cord
medial cord

anterior division from inferior trunk

359

Brachial Plexus
posterior cord

posterior divisions from all trunks

360

Brachial Plexus
orientation is related to

axillary artery

361

Brachial Plexus
root location

between anterior scalene and middle scalene

362

Brachial Plexus
trunk location

accompanies subclavian a and v. under the clavicle

363

Brachial Plexus
division location

apex of axilla

364

Brachial Plexus
cord location

in axilla and surrounding the axillar a

365

Brachial Plexus
bracnhes
supraclavicular part
roots

dorsal scapular n.
long thoracic n

366

Brachial Plexus
bracnhes
supraclavicular part
trunk

n. to subclavian m.
suprascapular n

367

Brachial Plexus
bracnhes
infraclavicular part
cords
pectoral + subscapular

lateral pectoral n
medial pectoral n.

upper subscapular n.
middle subscapular n. (thoracodorsal n.)
lower subscapular n.

368

Brachial Plexus
bracnhes
infraclavicular part
cords
cutaneous n.

musculocutaneous n
medial cutaneous n. of arm
medial cutaneous n. of forearm

369

Brachial Plexus
bracnhes
infraclavicular part
cords
4 more

median n
ulnar n
axillary n
radial n.

370

Brachial Plexus
distribution of branches
dorsal scapular

rhomboid m.

371

Brachial Plexus
distribution of branches
long thoracic n.

serratus ant

372

Brachial Plexus
distribution of branches
n. to subclavian m,

subclavian m

373

Brachial Plexus
distribution of branches
lateral pectoral n

pectoralis major
sometimes part of pectoralis minor

374

Brachial Plexus
distribution of branches
suprascapular n

supraspinatus m
infraspinatus m

375

Brachial Plexus
distribution of branches
medial pectoral n

mainly pectoralis minor
part of pectoralis major

376

Brachial Plexus
distribution of branches
upper subscapular

upper part of subscapular m

377

Brachial Plexus
distribution of branches
middle subscapular n (thoracodorsal)

latissimus dorsi

378

Brachial Plexus
distribution of branches
lower subscapular n

lower part of subscapular m +
teres major

379

Brachial Plexus
distribution of branches
musculocutaneous n.

NAMA&LSF

anterior muscle of arm and
lateral skin of forearm

380

Brachial Plexus
distribution of branches
medial cutaneous n. of arm

medial skin of arm

381

Brachial Plexus
distribution of branches
median cutaneous n. of forearm

middle skin of forearm

382

Brachial Plexus
distribution of branches
median n

muscles of the anterior forearm compartment
five intrinsic muscles in ulnar half of palm
palmar skin

383

Brachial Plexus
distribution of branches
ulnar n.

flexor carpi ulnaris m.
ulnar half of flexor digitorum profundus m
most intrinsic muscles of hand
skin of hand medial to the axial line of digit 4

384

Brachial Plexus
distribution of branches
axillary n.

glenohumeral joint
deltoid m
teres minor
skin of superolateral arm

385

Brachial Plexus
distribution of branches
radial n.

to all muscles of posterior compartments of arm and forearm

skin of posterior and inferolateral arm
posterior forearm

dorsum of the hand lateral to axial line of digit 4

386

Brachial Plexus
injuries name

Erb-Duchenne palsy

Klumpke paralysis

387

What cause injury to the superior part of the brachial plexus typically?

excessive increase in angle between neck and shoulder

388

Typical characteristic of a superior trunk injury?

limb hangs by the side in medial rotation

389

Brachial Plexus
superior trunk injury aka

Erb-Ducenne palsy

390

Erb-Ducenne palsy
what muscles are paralyzed

deltoid
biceps
brachialis
brachiradialis

391

Erb-Ducenne palsy
clinic findings

adducted shoulder
medially rotated arm
extended elbow

392

Klumpke paralysis
injury to

inferior cord of brachial plexus
generally C8-T1

393

Klumpke paralysis
muscles affected

muscles of the hand (claw hand)

394

Klumpke paralysis
usually caused by

grasping something and suddenly falling

395

Arm
begins at
ends at

begins-shoulder
ends-elbow

396

Arm
two joints

elbow
glenohumeral joint

397

Arm
movements

flexion
extension

pronation
suppination at elbow only

398

Muscles of the Arm
divided by

medial and lateral intermuscular septum

399

Muscles of the Arm
compartments

anterior
posterior

400

Muscles of the Arm
anterior compartment

biceps brachii m
brachialis m
coracobrachialis

401

Muscles of the Arm
posterior compartment

triceps brachii
anconeus

402

Muscles of the Arm
Biceps brachii m
long head
proximal attachment

supraglenoid tubercle of humerus

403

Muscles of the Arm
Biceps brachii m
long head
distal attachment

tuberosity on radius
bicipital aponeurosis

404

Muscles of the Arm
Biceps brachii m
short head
proximal attachment

coracoid process of scapula

405

Muscles of the Arm
Biceps brachii m
short head
distal attachment

tuberosity on radius
bicipital aponeurosis

406

Muscles of the Arm
Biceps brachii m
long head
travels

intertubercular groove of the humerus

407

Muscles of the Arm
Biceps brachii m
bicipital aponeurosis
merged with

antebrachial fascia of forearm

408

Muscles of the Arm
Biceps brachii m
crosses 3 joints

glenohumeral joint
elbow joint
radioulnar joint

409

Muscles of the Arm
Biceps brachii m
does it attach to the humerus?

no

410

Muscles of the Arm
Biceps brachii m
movement

elbow extended=only flexion

elbow at 90 degrees + forearm suppinated=
powerful flexion

elbow at 90 degrees + forearm pronated=
supination

411

Muscles of the Arm
Biceps brachii m
innervation

musculocutaneous n C5-C6

412

coracobrachialis
proximal attachment

coracoid process of scapula

413

Muscles of the Arm
coracobrachialis m
distal attachment

middle third of medial surface of humerus

414

Muscles of the Arm
coracobrachialis m
movement

helps flexion and adduction of arm

415

Muscles of the Arm
coracobrachialis m
innervation

musculocutaneous n C5-C6

416

Muscles of the Arm
brachialis m
located

deep to biceps bracii

417

Muscles of the Arm
brachialis m
proximal attachment

distal half of anterior surface of humerus

418

Muscles of the Arm
brachialis m
distal attachment

coronoid process and tuberosity of the ulna

419

Muscles of the Arm
brachialis m
movement

powerful flexion of forearm

420

Muscles of the Arm
brachialis m
innervation

musculocutaneous n. C5-C6

421

Muscles of the Arm
Triceps brachii
location

posterior compartment of the arm

422

Muscles of the Arm
Triceps brachii
long head
proximal attachment

infraglenoid tubercle of scapula

423

Muscles of the Arm
Triceps brachii
lateral head
proximal attachment

posterior surface of humerus,
superior to radial groove

424

Muscles of the Arm
Triceps brachii
medial head
proximal attachment

posterior surface of humerus
inferior to radial groove

425

Muscles of the Arm
Triceps brachii
distal attachment

olecranon of ulna
fascia of forearm

426

Muscles of the Arm
Triceps brachii
movement

extension of forearm
helps extension and adduction of arm

427

Muscles of the Arm
Triceps brachii
innervation

radial n. C7-C8, T1

428

Muscles of the Arm
Anconeus
shape

small triangular

429

Muscles of the Arm
Anconeus
movement

helps the triceps extend the forearm and keep this extension stable

430

Muscles of the Arm
Anconeus
innervation

radial n C7-C8, T1

431

Brachial Artery
begins

inferior border of teres major

432

Brachial Artery
travels

anterior to triceps brachii and brachialis

inferolaterally across the trochlea of humerus

ends in the cubital fossa (divides)

433

Where does the median n. cross over the brachial a.?

trochlea of humerus

434

Brachial Artery
divides into

radial a.
ulnar a.

at the cubital fossa

435

Brachial Artery
main branches

deep artery of the arm (profunda brachii a)

superior ulnar collateral a
inferior ulnar collateral a

muscular branches

436

Brachial Artery
deep artery of the arm (profunda brachii a.)
accompanies
where?

radial n

radial groove

437

Brachial Artery
deep artery of the arm (profunda brachii a.)
divides into

medial collateral a
radial collateral a

both join anastomosis of elbow region

438

Brachial Artery
superior ulnar collateral a
inferior ulnar collateral a
origin

middle point of the arm 5cm proximal to the elbow crease

both join the anastomosis of the elbow region

439

Nerves of the arm (4) main

Musculocutaneous n

radial n

median n

ulnar n

440

Nerves of the arm
Musculocutaneous n
begins

inferior border of pectoral minor

441

Nerves of the arm
Musculocutaneous n
pierces

coracobrachialis m

442

Nerves of the arm
Musculocutaneous n
passes between

biceps m
brachialis m

443

Nerves of the arm
Musculocutaneous n
supplies

coracobrachialis m
biceps m
brachialis m

444

Nerves of the arm
Musculocutaneous n
main trunk becomes

lateral cutaneous n. of the forearm

445

Nerves of the arm
Radial n
begins

from posterior cord

passes through the radial groove w/ deep a. of arm

446

Nerves of the arm
Radial n
pierces

lateral intermuscular septum to anterior compartment of the arm

447

Nerves of the arm
Radial n
divides

into deep branch of radial n

superficial branch of radial n.

448

Nerves of the arm
Median n
begins

lateral cord and medial cord

449

Nerves of the arm
Median n
travels with (crosses)

brachial a.

450

Nerves of the arm
Median n
goes under.....where?

bicipital aponeurosis

cubital fossa

451

Nerves of the arm
Median n
branches

none in the axilla or arm

452

Nerves of the arm
Ulnar n.
begins

at the level of teres major from
medial cord of brachial plexus

453

Nerves of the arm
Ulnar n.
goes with

long head of triceps brachii

454

Nerves of the arm
Ulnar n.
pierces / with

medial intermuscular septum

w/ superior ulnar collateral a.

455

Nerves of the arm
Ulnar n.
compartment in arm

posterior

456

Nerves of the arm
Ulnar n.
passes posterior to

medial epicondyle

(crazy/funny bone)

457

Nerves of the arm
Ulnar n.
branches

none in arm

458

Cubital fossa
description
general

triangular depression on the anterior aspect of elbow

459

Cubital fossa
boundries
superior

imanginary line connecting medial and lateral epicondyles

460

Cubital fossa
boundries
medial

pronator teres m

461

Cubital fossa
boundries
lateral

brachioradialis m

462

Cubital fossa
boundries
floor

formed by brachialis / supinator mm

463

Cubital fossa
boundries
roof

formed by:
brachial fascia
antebrachial fascia
bicipital aponeurosis
subcutaneous tissue
skin

464

Cubital fossa
contents
most lateral

radial n

superficial and deep branches

465

Cubital fossa
contents
2nd lateral

biceps brachii tendon

466

Cubital fossa
contents
middle

brachial artery and branches

467

Cubital fossa
contents
2nd medial

Brachial v.

468

Cubital fossa
contents
medial

median n

469

Cubital fossa
surface features
6

olecranon
biceps brachii tendon
bicipital aponeurosis
brachial a
medial and lateral epicondyles
veins in cubital fossa

470

Cubital fossa
palpated at medial border of biceps m

brachial a

471

Cubital fossa
palpated when elbow is fixed against resistance

biceps tendon

472

Forearm
general description

part between elbow and the wrist
two bones connected by interosseous membrane

473

Forearm
interosseous membrane
function

permits tehe two bones to pronate and supinate
provides attachments for muscles

474

Forearm
compartments

anterior
posterior

475

Forearm
flexor proximal attachments

medial epicondyle
medial supra(epi)condylar ridge

476

Forearm
extensor proximal attachment

lateral epicondyle
lateral supra(epi)condylar ridge

477

Forearm
anterior compartment innervation

median n. mostly
one 1/2 ulnar

478

Forearm
posterior compartment innervation

radial n

479

Forearm
muscles
layers

superficial----PFPF
intermediate-(FDS) 1 m
deep-FPL
FDP
PQ

480

Forearm
muscles
special arrangement on distal forearm

pronator quadratus----deep

481

Why is brachioradialis m not in the anterior compartment even though it is a flexor?

location

482

Forearm
muscles
What layers cross the elbow joint?

1st and 2nd

not 3rd

483

Forearm
muscles
What holds the tendons of the muscles of the anterior compartment?

palmar carpal lig.

flexor retinaculum (transverse carpal lig.)

484

Forearm
muscles
1st layer (superficial)

Pronator teres
Flexor Carpi radialis (FCR)
Palmaris longus
Flexor carpi ulnaris (FCU)

485

Forearm
muscles
1st layer (superficial)
proximal attachment

common flexor origin on medial epicondyle of humerus

486

Forearm
muscles
1st layer (superficial)
pronator teres additional origin

coronoid process

487

Forearm
muscles
1st layer (superficial)
FCU additional origin

olecrenon of ulna

488

Forearm
muscles
1st layer (superficial)
distal attachment
Pronator teres

middle lateral surface of radius

489

Forearm
muscles
1st layer (superficial)
distal attachment
FCR

base of 2nd metacarpal

490

Forearm
muscles
1st layer (superficial)
distal attachment
palmaris longus

palmar aponeurosis

491

Forearm
muscles
1st layer (superficial)
distal attachment
FCU

pisiform
hook of hamate
5th metacarpal

492

Forearm
muscles
1st layer (superficial)
innervation
FCU

ulnar n

493

Forearm
muscles
1st layer (superficial)
innervation
FCR
palmaris longus
pronator teres

median n

494

Forearm
muscles
1st layer (superficial)
function
pronator teres

pronates forearm

495

Forearm
muscles
1st layer (superficial)
FCR

flexes and abducts wrist

496

Forearm
muscles
1st layer (superficial)
function
palmaris longus

flexes wrist

497

Forearm
muscles
1st layer (superficial)
function
FCU

flexes and adducts wrist

498

Forearm
muscles
2nd layer (intermediate)

Flexor digitorum superficialis

499

Forearm
muscles
2nd layer (intermediate)
distal attachment

shaft of middle phalanges of medial 4 fingers

tendons are enclosed in a synovial common flexor sheath

500

`Forearm
muscles
2nd layer (intermediate)
proximal attcahment

medial head-medial epicondyle and coronoid process

radial head-superior half of anterior border of radius

501

Forearm
muscles
2nd layer (intermediate)
INNERVATION

median n

502

Forearm
muscles
2nd layer (intermediate)
function

flexes medial four fingers at proximal interphalangeal joints

503

Forearm
muscles
3rd layer (deep)
name

FDP- Flexor digitorum profundus

FPL- Flexor Pollicus longus

PQ- Pronator Quadratus

504

Forearm
muscles
3rd layer (deep)
FDP
proximal

proximal 3/4 of medial and anterior surface of ulna and interosseus membrane

505

Forearm
muscles
3rd layer (deep)
FDP
distal

base of distal phalanges of medial 4

506

Forearm
muscles
3rd layer (deep)
FDP
innervation

medial- ulnar n

lateral- median n

507

Forearm
muscles
3rd layer (deep)
FDP
function

flexes distal phalanx of medial 4 fingers

508

Forearm
muscles
3rd layer (deep)
FPL
proximal

anterior surface of radius and adjacent interosseus membrane

509

Forearm
muscles
3rd layer (deep)
FPL
distal

base of distal phalanx of thumb

510

Forearm
muscles
3rd layer (deep)
FPL
innervation

median n

511

Forearm
muscles
3rd layer (deep)
FPL
function

flexion of 1st digit

512

Forearm
muscles
3rd layer (deep)
PQ
proximal

distal 1/4 of anterior surface of ulna

513

Forearm
muscles
3rd layer (deep)
PQ
distal

distal 1/4 of anterior surface of radius

514

Forearm
muscles
3rd layer (deep)
PQ
innervation

median n

515

Forearm
muscles
3rd layer (deep)
PQ
function

pronation of forearm

516

Extensor-supinator muscles of forearm
layers

superficial
deep

517

Extensor-supinator muscles of forearm
superficial

extensor:
1. carpi radialis brevis---ECRB
2.digitorum-ED
3.digiti minimi---EDM
4. carpi ulnaris---ECU

5.brachioradialis
6. extensor carpi radialis longus----ECRL

518

Extensor-supinator muscles of forearm
superficial
Which 2 begin at the lateral supraepicondylar ridge?

brachioradialis
ECRL

519

Extensor-supinator muscles of forearm
deep layer

abductor pollicus longus---APL
Supinator
extensors:
pollicis brevis---EPB
pollicus longus---EPL
indicis---EI

520

Extensor-supinator muscles of forearm
ECRL
proximal

lateral supraepicondylar ridge

521

Extensor-supinator muscles of forearm
ECRL
distal

dorsal surface of 2nd metacrapal

522

Extensor-supinator muscles of forearm
ECRL
innervation

radial n

523

Extensor-supinator muscles of forearm
ECRL
function

extends and abducts the hand at wrist joint

524

Extensor-supinator muscles of forearm
ECRB
proximal

common extensor origin

525

Extensor-supinator muscles of forearm
ECRB
distal

dorsal surface of 3rd metacrapal

526

Extensor-supinator muscles of forearm
ECRB
innervation

deep branch of radial n

527

Extensor-supinator muscles of forearm
ECRB
function

extends and abducts the hand at wrist joint

528

Extensor-supinator muscles of forearm
ECU
proximal

common extensor origin
posterior border of ulna

529

Extensor-supinator muscles of forearm
ECU
distal

dorsal surface of 5th metacarpal

530

Extensor-supinator muscles of forearm
ECU
innervation

deep branch of radial n.

531

Extensor-supinator muscles of forearm
ECU
function

extends and adducts the hand at wrist

532

Extensor-supinator muscles of forearm
ED
proximal

common extesor origin

533

Extensor-supinator muscles of forearm
ED
distal

medial and distal phalanges by extensor expension of medial 4 fingers

534

Extensor-supinator muscles of forearm
ED
innervation

deep branch of radial n.

535

Extensor-supinator muscles of forearm
ED
function

extends medial 4 fingers at metacarpalphalangeal joint

536

extensor expension
linked by three

oblique intertedinous connections

537

extensor expension
# and bands

4
medial band
lateral bands

538

extensor expension
forces

other fingers to extend if one does

539

Extensor-supinator muscles of forearm
EDM
proximal

common extensor origin

540

Extensor-supinator muscles of forearm
EDM
distal

extensor expension of 5th finger

541

Extensor-supinator muscles of forearm
EDM
innervation

deep branch of radial n.

542

Extensor-supinator muscles of forearm
EDM
function

extends 5th finger at metacarpophalangeal joint

543

Extensor-supinator muscles of forearm
EI
proximal

posterior surface of distal 1/3 of ulna and interosseus membrane

544

Extensor-supinator muscles of forearm
EI
distal

joins the extensor expension of 2nd finger

545

Extensor-supinator muscles of forearm
EI
innervation

posterior interosseous n. of radial n.

546

Extensor-supinator muscles of forearm
EI
function

extends 2nd finger

547

Extensor and abductor muscles of the thumb
APL
proximal

posterior surface of the proximal 1/2 of the ulna, radius and interosseous membrane

548

Extensor and abductor muscles of the thumb
APL
distal

base of 1st metacarpal

549

Extensor and abductor muscles of the thumb
APL
innervation

posterior interosseous n. of deep branch of radial n.

550

Extensor and abductor muscles of the thumb
APL
function

abduction of the thumb

551

Extensor and abductor muscles of the thumb
EPB
proximal

posterior surface of the distal 1/3 of the radius and interosseous membrane

552

Extensor and abductor muscles of the thumb
EPB
distal

dorsal surface of base of proximal phalanx of thumb

553

Extensor and abductor muscles of the thumb
EPB
innervation

posterior interosseous n. of deep branch of radial n.

554

Extensor and abductor muscles of the thumb
EPB
function

extension of proximal phalanx of thumb

555

Extensor and abductor muscles of the thumb
EPL
proximal

posterior surface of the distal 1/3 of the ulna and interosseous membrane

556

Extensor and abductor muscles of the thumb
EPL
distal

dorsal surface of base of distal phalanx of thumb

557

Extensor and abductor muscles of the thumb
EPL
innervation

posterior interosseous n. of deep branch of radial n.

558

Extensor and abductor muscles of the thumb
EPL
function

extends distal phalanx of thumb

559

Exceptional muscles
brachioradialis
proximal

proximal 2/3 of lateral supraepicondylar ridge

560

Exceptional muscles
brachioradialis
distal

lateral surface of distal end of radius;proximal to styloid process

561

Exceptional muscles
brachioradialis
innervation

radial n

562

Exceptional muscles
brachioradialis
function

weak flexion of forearm
maximal flexion=midpronated postion

563

Exceptional muscles
supinator
proximal

lateral epicondyle
supinator fossa & crest of ulna

564

Exceptional muscles
supinator
distal

anterior
lateral
posterior
surface of proximal 1/3 of radius

565

Exceptional muscles
supinator
innervation

deep branch of radial n

566

Exceptional muscles
supinator
function

supinates the forearm

567

What bounds the anatomical snuff box?

APL
EPB
EPL

568

What is located at the anatomical snuff box?

radial a
radial styloid process
scaphoid and trapezium

569

When can this snuff box be seen?

when the thumb is fully extended

570

What bones are easily fractured in the event of a fall onto an outstreached hand?

scaphoid
trapezium

571

Arteries of the forearm
Ulnar A.
origin

cubital fossa
terminal branch of brachial a

572

Arteries of the forearm
Ulnar A.
branches

Anterior ulnar recurrent
Posterior ulnar recurrent
Common interosseous

anterior interosseous
posterior interosseus
recurrent interosseous

palmar carpal branch
dorsal carpal branch
muscular a

573

Arteries of the forearm
Ulnar A.
Anterior ulnar recurrent
origin

from ulnar a. lower to elbow joint

574

Arteries of the forearm
Ulnar A.
Anterior ulnar recurrent
course

btw. brachialis-pronator teres

anastomoses with inferior ulnar collateral a.
before medial epicondyle

575

Arteries of the forearm
Ulnar A.
posterior ulnar recurrent
origin

ulnar a.
lower than anterior ulnar recurrent

576

Arteries of the forearm
Ulnar A.
posterior ulnar recurrent
course

goes superior
goes to posterior of medial epicondyle
deep to flexor carpi ulnaris

anastomoses with superior ulnar collateral

577

Arteries of the forearm
Ulnar A.
common interosseous
origin

ulnar a. in cubital fossa

578

Arteries of the forearm
Ulnar A.
common interosseous
course

divides immediatly into anterior and posterior interosseous

579

Arteries of the forearm
Ulnar A.
anterior interosseous a
accompanies

anterior interosseous n. from the median n

580

Arteries of the forearm
Ulnar A.
anterior interosseous a
anastomoses

posterior interosseous a

581

Arteries of the forearm
Ulnar A.
recurrent interosseous a
origin

beginning part of posterior interosseous a

582

Arteries of the forearm
Ulnar A.
recurrent interosseous a
anastomoses

middle collateral a

583

Arteries of the forearm
Ulnar A.
recurrent interosseous a
passes over?

posterior of radioulnar joint

584

Arteries of the forearm
Ulnar A.
palmar carpal branch
begins

distal part of ulnar a.

585

Arteries of the forearm
Ulnar A.
palmar carpal branch
anastomoses

palmar carpal from radial a

586

Arteries of the forearm
Ulnar A.
dorsal carpal branch
anastomoses

dorsal carpal a. from radial a

587

Arteries of the forearm
Radial A.
origin

cubital fossa
terminal branch of the brachial a

588

Arteries of the forearm
Radial A.
course

lateral and inferior under brachioradialis

lateral to the tendon of flexor carpi radialis

deep to anatomical snuff box

pierces first dorsal interosseous m. to deep anterior of hand

589

Arteries of the forearm
Radial A.
branches

radial recurrent
palmar carpal branch
dorsal carpal branch
muscular branch

590

Arteries of the forearm
Radial A.
radial recurrent
origin

radial artery in the cubital fossa

591

Arteries of the forearm
Radial A.
radial recurrent
course

btw brachioradialis and brachialis

592

Arteries of the forearm
Radial A.
radial recurrent
anastomoses

radial collateral a

593

Veins of the Forearm
types

superficial
deep

594

Nerves of the forearm
median n.
origin

continued of same nerve from cubital fossa

595

Nerves of the forearm
median n.
branches

articular branches
mussular branches
anterior interosseous bracnhes
palmar cutaneous branches

596

Nerves of the forearm
median n.
articular branches
supply

elbow joint

597

Nerves of the forearm
median n.
muscular branches
supply

muscles

598

Nerves of the forearm
median n.
anterior interosseous branches
supply

muscles

origin median n. in cubital fossa

599

Nerves of the forearm
median n.
palmar cutaneous branches
supply

central part of the palm

600

Nerves of the forearm
median n.
palmar cutaneous branches
course

begins from median n. at superior edge of palmar carpal ligament

601

Nerves of the forearm
Ulnar n
origin

continued from ulnar n. posterior to the medial epicondyle

602

Nerves of the forearm
Ulnar n
course

posterior to medial epicondyle
goes down btw FCU and FDP
splits into superficial and deep branches

603

Nerves of the forearm
Ulanar n
branches

articular
muscular
palmar cutaneous
dorsal cutaneous

604

Nerves of the forearm
Ulnar n
clinical correlation

can be injured at the posterior to the medial epicondyle when this hits some hard surface.

when injured the medial part of the palm feels numbness and tingling

4th and 5th finger can't clench
CLAW HAND

605

Nerves of the forearm
Radial N
origin

continued from the same nerve in the cubital fossa bet brachioradialis and brachialis

606

Nerves of the forearm
Radial N
course

in the cubial fossa

607

Nerves of the forearm
Radial N
branches

posterior cutaneous n of the forearm
superficial branch
deep branch

lateral cutaneous nerve of the forearm
medial cutaneous nerve of the forearm

608

Nerves of the forearm
Radial N
posterior cutaneous n of the forearm
begins

from radial n. in the radial groove

609

Nerves of the forearm
Radial N
posterior cutaneous n of the forearm
course

perforates the triceps m

610

Nerves of the forearm
Radial N
posterior cutaneous n of the forearm
supply

skin of the posterior forearm

611

Nerves of the forearm
Radial N
superficial branch
begins

terminal branch from radial n. in cubital fossa

612

Nerves of the forearm
Radial N
superficial branch
course

btw. pronator teres and brachioradialis
subcutaneous tissue
lateral to the distal part of forearm

613

Nerves of the forearm
Radial N
superficial branch
supply

skin of the hand

614

Nerves of the forearm
Radial N
deep branch
origin

terminal branch from radial n. in cubital fossa

615

Nerves of the forearm
Radial N
deep branch
course

penetrates supenator m.
becomes posterior interosseous n.

616

Nerves of the forearm
Radial N
deep branch
supply

muscles in the posterior compartment of the forearm

617

Nerves of the forearm
Radial N
clinical

injured from fracture in the humeral shaft
harming the extensor m.
wrist drop

if deep branch is injured then no finger extension

618

Nerves of the forearm
Radial N
lateral cutaneous n. of forearm
origin

from musculocutaneous n. at lateral of biceps brachii m
divides into anterior and posterior branches into lateral forearm

619

Nerves of the forearm
Radial N
lateral cutaneous n. of forearm
supply

skin of lateral forearm

620

Nerves of the forearm
Radial N
medial cutaneous n. of forearm
origin

same name nerve from cubital fossa

621

Nerves of the forearm
Radial N
medial cutaneous n. of forearm
course

divides into anterior and posterior
goes to subcutaneous tissue of medial forearm

622

Hand
palm eminences

thenar eminance
hypothenar eminence

623

Hand
Fascia of the Palm
general
continuous with

deep fascia of the forearm
fascia of the dorsum of the hand

624

Hand
Fascia of the Palm
general
forms two fibrous tissues

palmar aponeurosis
fibrous digital sheath

625

Hand
Fascia of the Palm
special
palmar aponeurosis
apex is continuous with

palmaris longus m.
flexor retinaculum

626

Hand
Fascia of the Palm
special
palmar aponeurosis
distal part forms

four longtitundinal digital bands

627

Hand
Fascia of the Palm
special
palmar aponeurosis
longtitudinal digit bands
ATTACH

to bases of proximal phalanges

628

Hand
Fascia of the Palm
special
fibrous digital sheath
protect

synovial sheath

629

Hand
Fascia of the Palm
special
fibrous digital sheath
are 5 and 4 what?

anular circles 5
cruciform circles 4

on each finger

630

Hand
Fascia of the Palm
special
fibrous digital sheath
used to

hold and protect tendons of:
FDS
FDP
FPL

631

Hand
Fascia of the Palm
special
medial fibrous septum
extends from

medial border of palmar aponeurosis to 5th metacarpal

632

Hand
Fascia of the Palm
special
lateral fibrous septum
extends from

lateral border of palmar aponeurosis to 3rd metacarpal

633

Hand
Fascia of the Palm
thenar compartment
contains

thenar muscles

634

Hand
Fascia of the Palm
hypothenar compartment
contains

hypothenar muscles

635

Hand
Fascia of the Palm
central compartment
contains

flexor tendons,
lumbricals
superficial palmar arterial arch
nerves

636

Hand
Fascia of the Palm
adductor compartment
contains

adductor m

637

Hand
Fascia of the Palm
interosseous compartment
contains

interosseus m

638

Hand
Fascia of the Palm
midthenar space

deep space under tendons

continuous with anterior compartment of the forearm by carpal tunnel

639

Hand
Muscles
groups

thenar
adductor
hypothenar
central
interosseous
m. under the skin

640

Hand
Muscles
thenar m

abductor pollicis brevis m

flexor pollicis brevis

opponens digiti minimi m

641

Hand
Muscles
adductor m

adductor pollicis

642

Hand
Muscles
hypothenar

abductor digiti minimi

flexor digiti minimi brevis

opponens digiti minimi

643

Hand
Muscles
central

lumbricals m

dorsal interossi m

644

Hand
Muscles
m. under the skin

palmaris brevis m

645

Hand
Muscles
thenar m
Abductor pollicis brevis
origin

flexor retinaculum

646

Hand
Muscles
thenar m
Abductor pollicis brevis
inserts

lateral side of base of proximal phalanx of thumb

647

Hand
Muscles
thenar m
Abductor pollicis brevis
innervation

recurrent branch of median n

648

Hand
Muscles
thenar m
Abductor pollicis brevis
function

abduction

649

Hand
Muscles
thenar m
Flexor pollicis brevis
origin

flexor retinaculum

650

Hand
Muscles
thenar m
Flexor pollicis brevis
inserts

lateral side of base of proximal phalanx of thumb

651

Hand
Muscles
thenar m
Flexor pollicis brevis
innervation

recurrent branch of median n.
deep branch of ulnar n

652

Hand
Muscles
thenar m
Flexor pollicis brevis
function

flexion

653

Hand
Muscles
thenar m
opponens pollicis (brevis)
origin

flexor retinaculum

654

Hand
Muscles
thenar m
opponens pollicis (brevis)
inserts

lateral side of 1st metacarpal

655

Hand
Muscles
thenar m
opponens pollicis (brevis)
innervation

recurrent branch of median n

656

Hand
Muscles
thenar m
opponens pollicis (brevis)
function

opposition

657

Hand
Muscles
thenar m
adductor pollicis
origin

from base of 2nd and 3rd metacarpals, capitate,
anterior surface of shaft of 3rd metacarpal

658

Hand
Muscles
thenar m
adductor pollicis
inserts

medial side of the proximal phalanx of 5th finger

659

Hand
Muscles
thenar m
adductor pollicis
innervation

deep branch of ulnar n

660

Hand
Muscles
thenar m
opponens pollicis (brevis)
function

adduction

661

Hand
Muscles
hypothenar m
abductor digiti minimi
origin

pisiform

662

Hand
Muscles
hypothenar m
abductor digiti minimi
inserts

medial side of base of proximal phalanx of 5th finger

663

Hand
Muscles
hypothenar m
abductor digiti minimi
innervation

deep branch of ulnar n

664

Hand
Muscles
hypothenar m
abductor digiti minimi
function

abduction

665

Hand
Muscles
hypothenar m
flexor digiti minimi brevis
origin

hook of hamate and flexor retinaculum

666

Hand
Muscles
hypothenar m
flexor digiti minimi brevis
inserts

medial side of base of proximal phalanx of 5th finger

667

Hand
Muscles
hypothenar m
flexor digiti minimi brevis
innervation

deep branch of ulnar n

668

Hand
Muscles
hypothenar m
flexor digiti minimi brevis
function

flexion

669

Hand
Muscles
hypothenar m
opponens digiti minimi
origin

hook of hamate
flexor retinaculum

670

Hand
Muscles
hypothenar m
opponens digiti minimi
inserts

medial border of the 5th metacarpal

671

Hand
Muscles
hypothenar m
opponens digiti minimi
innervation

deep branch of ulnar n

672

Hand
Muscles
hypothenar m
opponens digiti minimi
function

opposition

673

Hand
Muscles
subcutaneous
palmaris brevis
origin

medial border of palmar aponeurosis

674

Hand
Muscles
subcutaneous
palmaris brevis
inserts

medial border of hand

675

Hand
Muscles
subcutaneous
palmaris brevis
innervation

palmar branch of ulnar n

676

Hand
Muscles
subcutaneous
palmaris brevis
function

wrinkle skin of hypothenar eminance

palm grip

677

Hand
Muscles
short-central
lumbricals (worm)
origins

lateral 2 tendons of flexor digitorum profundus

medial 3 tendons of flexor digitorum profundus

678

Hand
Muscles
short-central
lumbricals (worm)
inserts

lateral side of extensor expansions of 2nd to 5th fingers

679

Hand
Muscles
short-central
lumbricals (worm)
innervation

median n to 1st and 2nd
deep branch of ulnar to 3rd and 4th

680

Hand
Muscles
short-central
lumbricals (worm)
function

flexing metacarpophalangeal joints
extending interphalnageal joints of 2nd to 5th fingers

681

Hand
Muscles
interosseous m
dorsal 4 DABS
origin

adjacent side of two metacarpals

682

Hand
Muscles
interosseous m
dorsal 4 DABS
inserts

bases of phalanges
extensor expansions of 2nd -4th fingers

683

Hand
Muscles
interosseous m
dorsal 4 DABS
innervation

deep bracnch of ulnar

684

Hand
Muscles
interosseous m
dorsal 4 DABS
function

adducting 2nd-4th fingers from axial line

685

Hand
Muscles
interosseous m
palmar 3 PAD
origin

palmar surfaces of 2nd, 4th, 5th metacarpals

686

Hand
Muscles
interosseous m
palmar 3 PAD
inserts

bases of proximal phalanges, extensor expansions of 2nd, 4th, and 5th fingers

687

Hand
Muscles
interosseous m
palmar 3 PAD
innervation

deep branch of ulnar n

688

Hand
Muscles
interosseous m
palmar 3 PAD
function

adducting 2nd, 4th, and 5th fingers toward axial line

689

Hand
Long Flexor Tendons & Tendon Sheath
Tendon
FDS splits into

tendinous chiasms

690

Hand
Long Flexor Tendons & Tendon Sheath
Tendon
tendinous chiasms
surround

tendon of FDP

691

Hand
Long Flexor Tendons & Tendon Sheath
Tendon
FDS tendon
attaches

to margins of the anterior surface of the base of the middle phalanx

692

Hand
Long Flexor Tendons & Tendon Sheath
Tendon
FDP tendon
attaches

anterior surface of the base of the distal phalanx

693

Hand
Long Flexor Tendons & Tendon Sheath
Fibrous digital sheath
What is this sheath used for?

protecting the synovial sheath

694

Hand
Long Flexor Tendons & Tendon Sheath
Fibrous digital sheath
What tendons does this sheath protect?

superficial flexor tendons
deep flexor tendons
flexor pollicis longus

695

Hand
Long Flexor Tendons & Tendon Sheath
synovial sheath
layers

parietal
visceral

696

Hand
Long Flexor Tendons & Tendon Sheath
synovial sheath
sticks with fibrous digital sheath

parietal

697

Hand
Long Flexor Tendons & Tendon Sheath
synovial sheath
visceral sticks with?

tendon

698

Hand
Long Flexor Tendons & Tendon Sheath
common flexor sheath
location

deep of the flexor retinaculum

699

Hand
Long Flexor Tendons & Tendon Sheath
common flexor sheath
What do the sheaths permit?

the tendons to slide freely during movement of the finger

700

Arteries of the hand
anastomoses (2)

superficial arch
deep arch

701

Arteries of the hand
2 main arteries

ulnar
radial

702

Arteries of the hand
ulnar a
origin

ulnar a of forearm

703

Arteries of the hand
ulnar a
travels

through ulnar canal (guyon canal)
lateral to ulnar n.

704

Arteries of the hand
ulnar a.
divides into

superficial palmar branch
deep palmar branch

705

Arteries of the hand
ulnar a
branches of superficial palmar a

three common palmar digital aa

706

Arteries of the hand
ulnar a
common digitial a divides into

2 proper digital aa

707

Arteries of the hand
ulnar a
common palmar a
anastomoses w/

palmar metacarpal

708

Arteries of the hand
ulnar a
palmar metacarpal a
comes from

deep palmar arch

709

Arteries of the hand
radial a
origin

radial a. of forearm

710

Arteries of the hand
radial a
travels

by scaphoid and trapizium
thorugh anatomical snuff box

711

Arteries of the hand
radial a
anastomosis

deep branch of ulnar a.

to form deep palmar arch

712

Arteries of the hand
radial a
branches

3 palmar metacarpal branches

1 princeps pollicis a

713

Arteries of the hand
radial a
princeps pollicis a
branch

radialis indicis a

lateral side of index finger

714

Arteries of the hand
radial a
dorsal carpal arch formed by

dorsal carpal branches

715

Arteries of the hand
radial a
dorsal carpal arch
sends out

5 dorsal metacarpal aa

716

Arteries of the hand
radial a
dorsal metacarpal aa
send out

dorsal digital aa

717

Nerves of the Hand
Median n.
travels

deep to flexor retinaculum

718

Nerves of the Hand
Median n.
branches

recurrent branch
muscular branches
palmar digital branch

719

Nerves of the Hand
Median n.
recurrent branch goes to

abductor pollicis brevis m
opponens pollicis m
superficial head of flexor pollicis brevis

720

Nerves of the Hand
Median n.
muscular branches go to

1,2 lumbricals

721

Nerves of the Hand
Median n.
palmar digital branches
go to

the most lateral palmar skin
lateral 3 and half fingers

722

Nerves of the Hand
Median n.
trauma
causes

ape hand

paralysis of lateral 2 lumbricals
opponens pollicis

723

Nerves of the Hand
Ulnar n
travels with

ulnar a

724

Nerves of the Hand
Ulnar n
branches

palmar cutaneous branches
dorsal cutaneous branches

725

Nerves of the Hand
Ulnar n
divides into

superficial
deep branches

726

Nerves of the Hand
Ulnar n
superficial branch
supplies

the skin of half 4th and 5th finger of palmar side

727

Nerves of the Hand
Ulnar n
deep branch
supllies

hypothenar mm
medial 2 lumbricles
adductor pollicis m
deep head of FPB
all interosseous mm

728

Nerves of the Hand
Radial n
branch

superficial branch of radial n.

729

Nerves of the Hand
radial n
superficial branch
supplies

skin of lateral 2/3 of dorsum of the hand

proximal part of lateral 3 and 1/2 digits

730

Joints
classes

synovial
fibrous
cartilaginous

731

Joints
Synovial
three parts

bone capsule cavity

732

Joints
Synovial
surface of bones is covered by

cartilage

733

Joints
Synovial
capsule layers

fibrous
synovial

734

Joints
Synovial
fibrous capsule is continuous with

periosteum

735

Joints
Synovial
cavity contains

synovial fluid

736

Joints
Synovial
classifications (6)

plane
hinge
saddle
pivot
ball and socket
condyloid

737

Joints
Synovial
pivot example

central atlantoaxial joint

738

Joints
Synovial
condyloid example

metacarpophalangeal

739

Joints
Synovial
plane joint example

acromioclavicular joint

740

Joints
Synovial
saddle example

1st carpometacarpal joint

741

Joints
Fibrous
3 kinds

suture
syndesmosis-interosseous membrane
gomphoses

742

Joints
cartilaginous
types of cartilage

hyaline
fibro

743

Joints
cartilaginous
primary aka

synchondrosis

744

Joints
cartilaginous
secondary aka

symphysis

745

Joints
cartilaginous
synchondrosis
includes

bony ephipysis
bony shaft
epiphysial plate

746

Joints
hilton's law

the nerve supplying the joint also supplies the muscles moving this joint and skin covering their distal attachments

747

Joint of the upper limb
Sterno Clavicular Joint (SC joint)
articular surfaces covered by

fibrocartilage

748

Joint of the upper limb
Sterno Clavicular Joint (SC joint)
joint capsule

fibrous capsule and synovial membrane

749

Joint of the upper limb
Sterno Clavicular Joint (SC joint)
ligament
anteriorly and posteriorly

sternoclavicular lig

750

Joint of the upper limb
Sterno Clavicular Joint (SC joint)
ligament
superiorly

interclavicular lig.

751

Joint of the upper limb
Sterno Clavicular Joint (SC joint)
ligament
links clavicle to first rib

costoclavicular

752

Joint of the upper limb
Sterno Clavicular Joint (SC joint)
joint cavity contains

articular disk

753

Joint of the upper limb
Sterno Clavicular Joint (SC joint)
type of joint

saddle
but ball and socket funtionality

754

Joint of the upper limb
Sterno Clavicular Joint (SC joint)
blood supply

internal thoracic a
suprascapular

755

Joint of the upper limb
Sterno Clavicular Joint (SC joint)
nerve supply

medial supraclavicular n.
n. to subclavius

756

Joint of the upper limb
Acromioclavicular joint
ligament
mixed with fibrous layer of joint capsule

acromioclavicular lig.

757

Joint of the upper limb
Acromioclavicular joint
ligament
strong lig made of two parts

coracoclavicular

2 parts:
conoid lig
trapezoid lig

758

Joint of the upper limb
Acromioclavicular joint
joint cavity shape

incomplete wedge shaped articular disk

759

Joint of the upper limb
Acromioclavicular joint
joint type

plane
sliding, a little rotation

760

Joint of the upper limb
Acromioclavicular joint
blood supply

suprascapular
tharcoacromial

761

Joint of the upper limb
Acromioclavicular joint
nerve supply

supraclavicular

762

Joint of the upper limb
Acromioclavicular joint
dislocation is common when?

a person falls on the shoulder

763

Joint of the upper limb
Glenohumeral joint
joint type

ball and socket
multi axial

764

Joint of the upper limb
Glenohumeral joint
edge of glenoid cavity is strengthened by

fibrous cartilage

glenoid labrum

765

Joint of the upper limb
Glenohumeral joint
Fibrous layer of capsule has two openings for?

tendon of the long head of biceps brachii
subscapular bursa

766

Joint of the upper limb
Glenohumeral joint
ligaments
intrinsic

glenohumeral lig
coracohumeral lig
transverse humeral lig

767

Joint of the upper limb
Glenohumeral joint
3 parts of glenohumeral lig

superior
middle
inferior

768

Joint of the upper limb
Glenohumeral joint
extrinsic ligaments

coracoacromial lig----very strong

769

Joint of the upper limb
Glenohumeral joint
subscapular bursa
location

between subscapular m. and neck of scapula

770

Joint of the upper limb
Glenohumeral joint
subacromial (subdeltoid) bursa
location

btw. deltoid and
supraspinatous

771

Joint of the upper limb
Glenohumeral joint
movements

flexion/extension
abduction/adduction
medial/lateral rotation
circumduction

772

Joint of the upper limb
Glenohumeral joint
muscles moving this joint
groups

axioappendicular muscles-indirectly

scapulohumeral muscles-directly

773

Joint of the upper limb
Glenohumeral joint
blood supply

anterior circumflex humeral a
posterior circumflex humeral a

774

Joint of the upper limb
Glenohumeral joint
nerve supply

suprascapular
axillary
lateral pectoral

775

Joint of the upper limb
Glenohumeral joint
axillary n. injury
what muscle is paralyzed?

deltoid
no abduction above horizontal

776

Joint of the Upper Limb
Elbow joint
articulation
bones

humerus
radius
ulna

777

Joint of the Upper Limb
Elbow joint
structures

trochlea
capitulum of the humerus
trochlear notch of the ulna
head of the radius

778

Joint of the Upper Limb
Elbow joint
capsule
layers

fibrous-outer
synovial-inner

779

Joint of the Upper Limb
Elbow joint
ligaments (3)

radial (lateral) collateral lig
ulnar (medial) collateral lig
annular lig

780

Joint of the Upper Limb
Elbow joint
lateral collateral lig
begins-ends

beg-lateral epicondyle of humerus
end-mix with annular lig

781

Joint of the Upper Limb
Elbow joint
medial collateral lig
begins-ends

beg-medial epicondyle of humerus
end- coronoid process and olecranon of the ulna

782

Joint of the Upper Limb
Elbow joint
annular lig
shape

encircles head of radius

783

Joint of the Upper Limb
Elbow joint
annular lig
special feature

proximal radioulnar joint

784

Joint of the Upper Limb
Elbow joint
movement

flex/extension

15 degree angle=carring angle

785

Joint of the Upper Limb
Elbow joint
main muscles

flex=biceps brachii & brachialis

extend=triceps brachii

786

Joint of the Upper Limb
Elbow joint
nerve supply

musculocutaneous n
radial n
ulnar n

787

Joint of the Upper Limb
Proximal Radioulnar joint
joint type

pivot

788

Joint of the Upper Limb
Proximal Radioulnar joint
articulation

head of radius on radial notch of ulna

789

Joint of the Upper Limb
Proximal Radioulnar joint
ligaments

annular lig

790

Joint of the Upper Limb
Proximal Radioulnar joint
movement

supination/pronation

791

Joint of the Upper Limb
Proximal Radioulnar joint
muscles

supinator
pronator quadratus
pronator teres

792

Joint of the Upper Limb
Proximal Radioulnar joint
nerve supply

musculocutaneous n
median n
radial n

793

Joint of the Upper Limb
Distal Radioulnar joint
joint type

pivot

794

Joint of the Upper Limb
Distal Radioulnar joint
articulation

head of ulna w/
ulnar notch of radius

contains articular disk creatin an "L" shape

795

Joint of the Upper Limb
Distal Radioulnar joint
ligaments

palmar
dorsal radioulnar ligs

796

Joint of the Upper Limb
Distal Radioulnar joint
movement

rotation

797

Joint of the Upper Limb
Distal Radioulnar joint
muscles

supinator m
pronator quadratus
pronator teres

798

Joint of the Upper Limb
Distal Radioulnar joint
blood supply

anterior/posterior interosseous aa

799

Joint of the Upper Limb
Distal Radioulnar joint
nerve supply

anterior/posterior interosseous nn

800

Joint of the Upper Limb
Wrist joint
joint type

type 4-condyloid

801

Joint of the Upper Limb
Wrist joint
articulation

distal end of radius + articular disk + proximal row of carpal

not pisiform

802

Joint of the Upper Limb
Wrist joint
ligaments (4)

palmar radiocarpal lig
dorsal radiocarpal lig
radial collateral lig
ulnar collateral lig

803

Joint of the Upper Limb
Wrist joint
movement

flex/extend
abduct/adduct
circumduction

804

Joint of the Upper Limb
Wrist joint
muscles

flex-FCR & FCU
extend-ECRL, ECRB, & ECU
abduct-FCR, ECRL, & ECRB
adduct-ECU & FCU

805

Joint of the Upper Limb
Wrist joint
blood

palmar carpal arches
dorsal carpal arches

806

Joint of the Upper Limb
Wrist joint
nerves

anterior interosseous branch of median n

posterior interosseous branch of radial n

807

Joint of the Upper Limb
Intercarpal joint
joint type

type 1- plane joint

808

Joint of the Upper Limb
Intercarpal joint
articulation

joints between the proximal row of carpals

joints between the distal row of carpals

midcarpal joint

pisotriquetral joint

809

Joint of the Upper Limb
Intercarpal joint
ligaments

anterior/posterior interosseous ligaments

810

Joint of the Upper Limb
Intercarpal joint
movement

gliding movement

811

Joint of the Upper Limb
Intercarpal joint
blood

dorsal/palmar carpal arches

812

Joint of the Upper Limb
Intercarpal joint
nerve

anterior interosseous of median n
dorsal branch of ulnar n
deep branch of ulnar n

813

Joint of the Upper Limb
Carpometacarpal (CMC) joint & Intercarpal Joint (IM)
joint type

saddle-type 3

814

Joint of the Upper Limb
Carpometacarpal (CMC) joint & Intercarpal Joint (IM)
articulation

CMC- distal row of carpals w/ base of metacarpals

IM- its neighbor (haha)

815

Joint of the Upper Limb
Carpometacarpal (CMC) joint & Intercarpal Joint (IM)
ligaments

palmar CMC lig and palmar IM lig

dorsal CMC lig and dorsal IM lig

816

Joint of the Upper Limb
Carpometacarpal (CMC) joint & Intercarpal Joint (IM)
movement

(thumb)
flex/extension
abduction/adduction
circumduction

(2-5)
no movement

817

Joint of the Upper Limb
Carpometacarpal (CMC) joint & Intercarpal Joint (IM)
blood supply

palmar/dorsal carpal arches
deep palmar arch
metacarpal aa

818

Joint of the Upper Limb
Carpometacarpal (CMC) joint & Intercarpal Joint (IM)
nerves

anterior interosseous of median n
posterior interosseous of radial n

dorsal branch of ulnar n
deep branch of ulnar n

819

Joint of the Upper Limb
Metacarpophalangeal Joint & Interphlangeal Joint
articulation

MP-head of metacarpals + base of proximal phalanges

proximal IP- heads of proximal phalanges + base of middle phalanges

distal IP- heads of middle phalanges + base of distal phalanges

820

Joint of the Upper Limb
Metacarpophalangeal Joint & Interphlangeal Joint
ligaments

collateral ligaments

palmar fibrous digital sheath

2nd-5th MP united by deep transverse metacarpal ligaments

821

Joint of the Upper Limb
Metacarpophalangeal Joint & Interphlangeal Joint
2nd-5th movement

2nd-5th type 4, condyloid
flexion/extend
abduct/adduct
circumduction

822

Joint of the Upper Limb
Metacarpophalangeal Joint & Interphlangeal Joint
thumb MP
movement

type 2-hinge
flex/extend

823

Joint of the Upper Limb
Metacarpophalangeal Joint & Interphlangeal Joint
movement
all IP

type 2-hinge
flexion/extension

824

Joint of the Upper Limb
Metacarpophalangeal Joint & Interphlangeal Joint
blood

common palmar digital aa
superficial palmar arch

825

Joint of the Upper Limb
Metacarpophalangeal Joint & Interphlangeal Joint
nerves

palmar digital nn
from
median and ulnar nn