CHPT 8: APPENDCULAR SYS BONES Flashcards
1
Q
appendicular skeleton function
A
-movement
2
Q
what bones are included in the appendicular skeleton
A
upper and lower limbs
3
Q
the function of the girdles in appendicular region
A
-girdles attach the limbs to axial skeleton
4
Q
skeleton of the upper limb, per one side
A
- 1 clavicle and 1 scapula (pectoral girdle)
- 1 humerus
- 1 ulna
- 1 radius
- 8 carpals
- 19 metacarpals + phalanges
5
Q
how many bones total does one side of the upper limb have?
A
32
6
Q
greater and less tubercle location
A
anterior, lateral, proximal side of humerus
7
Q
intertubercular sulcus (groove) location
A
between greater and less tubercle, on anterior laterl, proxmial side of humerus
8
Q
intertubercular sulcus (groove) function
A
separate 2 tubercule
9
Q
head of the humerus function
A
fit into glenoid cavity and form the glenuhumreral joint
10
Q
location of the head of humerus, looking from an anterior view
A
proximal end, faces posteriorly
11
Q
anatomical neck location
A
anterior, proximal, medical of humerus
-inferior to head
12
Q
anatomical neck function
A
separates head from lateral end
13
Q
which part of the humerus is prone to fractures
A
surgical neck
14
Q
location of surgical neck
A
proximal, inferior/ distal to anatomical neck
15
Q
structures on the proximal anterior of humerus
A
- greater and lesser tubercle
- intertubercular sulcus (groove)
- head
- anatomical neck
- surgical neck
16
Q
structures on the distal anterior of humerus
A
- radial fossa
- lateral epicondyle
- capittulum
- coroniod fossa
- medial epicondyle
- trochlea
17
Q
radial fossa function
A
flexing elbow causes head of radius to rest there
18
Q
lateral epicondyle function
A
tendons of forearm attach here
19
Q
capitulum function
A
articulates w/ head of radius
20
Q
coronoid fossa function
A
flexing arm, trochear notch of ulna fits here
21
Q
medical epicondyle function
A
tendons of forearm
22
Q
trochlear function
A
articulates with trochlear notch of ulnda
23
Q
radial groove location
A
posterior side of humerus
24
Q
radial groove function
A
has radial nerve
25
deltiod tuberosity location
anterior humerus
26
what structure of the anterior humerus provides an attachment point of deltoid muscle
deltoid tuberosity
27
body shaft of anterior humerus function
-tendons of muscles coming from scapula that move elbow or shoulder joint enter
28
olecranon fossa function
olecran of ulna fits here
| makes up the point bit of the elbow
29
olecranon fossa location
distal, posterior humerus
30
ulna anterior proximal structures
- radial notch
- trochlear notch
- coronoid proccess
- ulnar tuberosity
31
radial notch location
anterior, proximal, ulna
32
radial notch function
- head of radius fits into here
| - proximal radioulnar joint
33
trochlear notch function
-fits into trochlea of humerus
34
ulnar tuberosity function
-tendons of forearms attach
35
ulnar tuberosity location
proximal, anterior ulna
36
styloid process of ulna and radius location
-articulates with carpal bones
37
location of olecranon
-proximal, posterior ulna
38
proximal, anterior radius structure
- head
- neck
- radial tuberosity
39
head of radius function
articulate with radial notch on ulna and capitulum on humerus
40
radial tuberosity function
tendons of biceps brachii insertion
41
which bone is shorter: ulna or radius?
radius
42
how many bones are there per hand
27
43
how many bones are in the wrist
8
44
how many bones make up the metacarpal
5
45
how are the metacarpals labelled
lateral to medial
46
how many bones are in the phalanges
14
47
proximal carpal bones
Scaphoid, Lunate, Triquetrum, Pisiform
48
distal carpal bones
Trapezium, trapezoid, capitate, hamate
49
which carpal is susceptible to fractures
scaphoid
50
does does capitate articulate with
metacarpal 3
51
which two carpal bones articulate with metacarpal 1 and 2
Traperzium and Trapezoid
52
scaphoid and lunate make up
the radoiocarpal joint
53
what does the hamate articulate with
metacarpal 4 and 5
54
muscles of the arm and forearm that move the elbow joint location on the plane
anterior and posterior
55
anterior muscles of the arm and forearm that move the elbow joint location on the plane function
flexors and synergisits
56
brachilais, brachioradilis and biceps brachia location
anterior muscles of the arm and forearm that move the elbow joint location on the plane
57
brachialis insertion
radius and ulna
58
brachialis origin
distal, anterior humerous
59
brachialis location
deeper to biceps
60
brachioradilis lnsertion
styloid process of radius
61
, brachioradilis origin
lateral, distal humerous
62
, brachioradilis movement
flex forearm, supination and pronation
63
biceps brachii origin
scapula
64
biceps brachii insertion
radial tuberosity
65
which muscle is the majority of the arm
biceps brachii
66
posterior muscles of the arm and forearm that move the elbow joint names
triceps brachia and anconeous
67
triceps brachii originn
scapula and around radial groove of humerus
68
posterior muscles of the arm and forearm that move the elbow joint movement/ function
extend
69
triceps brachii insertion
olecranon of ulna
70
Anconeus origin
lateral epicondyle
71
anconeus insertion
olecranon of ulna
72
supinator, pronator teres, pronator quadratus function
muscles of the arm that move the radius and ulna
73
supinator insertion
lateral surface of proximal radius
74
supinator origin
lateral condyle of humerus
75
supinator function
supination + assist biceps
76
pronator teres origin
medial epicondyle
77
pronator teres insertion
mid, lateral radius
78
pronator quadratus origin
distal shaft of ulna
79
pronator quadratus insertion
distal portion of radius
80
pronator teres, pronator quadratus function
pronate
81
anterior forearm muscles that move the wrist, hands and fingers origin
medial epicondyle of the humerus
82
anterior forearm muscles that move the wrist, hands and fingers function
flex the wrist, MP and IP
83
superficial layers of anterior forearm muscles that move the wrist, hands and fingers muscles
flexor carpi ulnas, palmaris longus, flexor carpi radialis,
84
intermediate layers anterior forearm muscles that move the wrist, hands and fingers muscles
flexor digitorium superficialis
85
deep layers anterior forearm muscles that move the wrist, hands and fingers muscles
flexor politics longus, flexor digitorim profundus
86
flexor carpi ulnaris insertion
- pisiform
- hamate
- base of 5th metacarpal
87
flexor carpi ulnaris function
flex and adduct hand at wrist
88
flexor carpi radialis insertion
based of metacarpal 2 and 3
89
flexor carpi radialis function
flexes and adbucts hand at wrist joint
90
palmaris longus insertion
- flexor retinaculum
| - palamar aponeurons
91
palmaris longus function
-flex hand at wrist joint
92
flexor digitorium superficalis insertion
-phalanges of fingers 2-5
93
flexor digitorium superficalis function
flex above ip joints
94
flexor pollicis longus insertion
base of distal thub
95
pollex =
thumb
96
flexor pollicis longus origin
anterior radius
97
flexor pollicis longus function
flexes MP and IP joints of thumb
98
flexor digitorium profundus insertions
-distal phalanx of 2-5 fingers
99
flexor digitorium profundus origin
anterior, medial ulna
100
posterior forearm muscles that move the wrist, hands and fingers function
extend wrist, mp, ip joints
101
superficial posterior forearm muscles that move the wrist, hands and fingers origin
lateral epicondyle
102
superficial posterior forearm muscles that move the wrist, hands and fingers muscles
extensor carpi radialis longus, extensor carpi radialis brevius, extensor digitorum, extensor carpi ulnaris, extensor digit minimi
103
deep posterior forearm muscles that move the wrist, hands and fingers muscles
abductor pollici longus, extensor pollicis brevis, extensor pollicis longus, extensor indics
104
extensor carpi radialis longus function
extends and abducts Hand at wrist
105
extensor carpi radialis longus insertion
base of metacarpal 2
106
extensor carpi radialis brevius insertion
base of metacarpal 3
107
extensor carpi radialis brevius function
extend and abducts
108
extensor digiti minimi insertion
extensor digitorim of 5th phalanx
109
extensor digiti minimi innervation
5th finger
110
extensor digitorum insertion
distal and middle phalanges of finger 2-5
111
extensor digitorum function
extend wrist, mp, proximal and distal ip
112
extensor carpi ulnaris insertion
base of metacarpal 5
113
extensor carpi ulnaris function
extend the wrist + adduct
114
abductor pollici longus origin
interosses ligaments
115
abductor pollici longus insertion
lateral edge of metacarpal 1
116
abductor pollici longus function
abduct thumb and hand
117
extensor pollicis brevis origin
posterior ulna
118
extensor pollicis brevis insertion
base of thumbs metacarpal
119
extensor pollicis brevis function
extend mp joints of the thumb
120
extensor pollicis longus origin
mid-ulnar region
121
extensor pollicis longus function
innervates the joints of thumb and abducts the hand
122
extensor pollicis longus insertion
distal phalanx of thumb
123
extensor indics origin
posterior ulna and intraosseous membrane
124
extensor indics insertion
tendon of extensor of digistorium of index finger
125
extensor indics function
extends mp, proximal and distal ip
126
intrinsic muscles of hands groups
thenar, hypothenar, mid-palmer
127
intrinsic muscles of hands origin and insertion
within hand
128
which intrinsic muscles of hands allow thumb movements
thenar
129
which intrinsic muscles of hands allow pinky movement s
hypothenar
130
midpalamer
- in between thenar and hypothenar
131
thenar muscles
flexor pollicis brevis
adductor pollicis brevis
opponens pollici
132
flexor pollicis brevis function
flexes thumb
133
flexor pollicis brevis origin
flexor retinaculum and trapezium
134
flexor pollicis brevis insertion
proximal phalanx of thumb
135
adductor pollicis brevis function
adduct thumb
136
adductor pollicis brevis origin
flexor retinaculum, scaphoid and trapezium
137
adductor pollicis brevis insertion
lateral side metacarpal 1
138
opponens pollici function
move thumb across palm to meet any finger
139
opponens pollici origin
flexor retinaculum, trapezium
140
opponens pollici insertion
lateral side of metacarpal 1
141
muscles of hypothenar
flexor digiti minimi brevis,
abductor digit minimi,
oponens digiti minimi
142
flexor digiti minimi brevis, function
flexes little fingers
143
flexor digiti minimi brevis, origin
hamate, flexor retinaculum
144
flexor digiti minimi brevis, insertion
proximal phalanx of pinky
145
abductor digit minimi, function
abducts and flexes pinky
146
abductor digit minimi, origin
pisiform bone, tendon of carpi ulnaris
147
abductor digit minimi, insertion
proximal phalanx pinky
148
abductor digit minimi, function
moves lil finger to meet thumb
149
abductor digit minimi, origin
hamate bone, flexor retinaculum
150
abductor digit minimi, insertion
proximal phalanx of pinky
151
midpalmer muscles
lumbrical muscles
dorsal interossei muscles
palmer interossei
152
lumbrical muscles function
flexes the mp and extends the pip and dip of 2-5
153
lumbrical muscles insertion
tendons of flexor digitorium profundus
154
lumbrical muscles origin
dorsal tendons of finger 2-5
155
dorsal interossei muscles function
flexes the mp and extends the pip and dip of 2-5
156
dorsal interossei muscles origin
opposite faces of metacarpals
157
dorsal interossei muscles insertion
dorsal tendons of fingers 2-5
