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02_Anatomy > Skeletal System, Upper extremities > Flashcards

Skeletal System, Upper extremities Flashcards

1
Q

classification of clavicle as to location

A

appendicular

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2
Q

immovable joints aka

A

synarthroses

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3
Q

fibrous joints aka

A

synarthroses

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4
Q

cartilaginous joints aka

A

amphiarthroses

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5
Q

primary amphiarthroses aka

A

synchondrosis (hyaline)

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6
Q

secondary amphiarthroses aka

A

symphysis

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7
Q

diarthroses aka

A

synovial

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8
Q

Type of joint

sternoclavicular, acromioclavicular

A

Synovial joint- plane

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9
Q

Type of joint

elbow, knee, ankle

A

Synovial joint- hinge/ ginglymus

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10
Q

Type of joint

atlantoaxial; radioulnar

A

Synovial joint- pivot/ trochoid

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11
Q

Type of joint

metacarpophalangeal/ knuckles

A

Synovial joint- Condyloid

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12
Q

Type of joint

shoulder; hip

A

Synovial joint- ball and socket/ enarthrosis

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13
Q

axillary fascia is an elongation of

A

prevertebral fascia

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14
Q

where is the needle inserted in brachial nerve plexus block

A

proximal part of axillary sheath

position verified by feeling pulsations of third part of axillary artery

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15
Q

Mnemonics: Rotator cuff muscles

A

SITS

supraspinatus
infraspinatus
teres minor
subscapularis

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16
Q

intrinsic shoulder muscle that are lateral rotators

A

infraspinatus and teres minor

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17
Q

most commonly affected in inflammation of rotator cuff

A

tendon of supraspinatus

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18
Q

joint involved in shoulder dislocation

A

glenohumeral joint

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19
Q

joint involved in shoulder separation

A

acromioclavicular joint

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20
Q

boundaries and contents of quadrangular space

A

above-teres minor
below-teres major
medial: long head triceps brachii
lateral: surg neck of humerus

axillary/circumflex nerve
post circumflex vessels

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21
Q

main flexor of forearm

A

brachialis

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22
Q

main supinator of forearm

A

biceps brachii

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23
Q

posterior compartment of arm innervated by

A

radial nerve

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24
Q

main extensor of forearm

A

triceps brachii

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25
Q

flexor muscles of the forearm innervated by

A

median nerve

EXCEPT FCU and FDP- ulnar nerve

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26
Q

Common flexor tendon

A

medial epicondyle of humerus

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27
Q

common extensor tendon

A

lateral epicondyle of humerus

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28
Q

medial epicondylitis aka

A

golfer’s elbow

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29
Q

lateral epicondylitis aka

A

tennis elbow

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30
Q

Contents of cubital fossa

medial to lateral

A

MBBR

Median nerve
brachial art
biceps tendon
radial nerve

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31
Q

Mnemonics: Thenar muscles

innervated by?

A

AFO

abd pollicis brevis
flexor pollicis brevis
opponens pollicis

median nerve

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32
Q

interossei muscles innervated by

A

ulnar nerve

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33
Q

mnemonics

action of interossei muscles

A

PAB DAB

palmar interossei- ADduct fingers
dorsal interossei-ABduct fingers

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34
Q

medial lumbricales innerv by

A

ulnar nerve

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35
Q

lateral lumbricales innerv by

A

median nerve

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36
Q

action of lumbricales

A

flex mcp joints

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37
Q

ext digitorum innerv by

A

radial nerve

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38
Q

flexor digitorum superficialis- action and innerv

A

flexes proximal IP joints- median nerve

39
Q

flexor digitorum profundus- action and innerv

A

flexes distal IP joints- ulnar nerve

40
Q

Mnemonics: hypothenar muscles

innerv by?

A

AFO
abductor, flexor, opponens - digiti minimi
ulnar nerver

41
Q

brachial plexus subdivided into

A

5 roots- 3 trunks- 6 divisions- 3 cords

42
Q

roots of brachial plexus gives rise to

A

dorsal scapular nerve (C5)- rhomboids

long thoracic nerve (C5-C7) - serratus anterior

43
Q

upper trunk of brachial plexus gives rise to

A

(C5-C6)
nerve to subclavius
suprascapular - supra/infraspinatus

44
Q

musculocutaneous nerve innervates

A

coracobrachialis, biceps brachii. brachialis

45
Q

medial pectoral nerve innerv

A

pect minor

46
Q

upper subscapular nerve innerv

A

subscapularis

47
Q

thoracodorsal nerve innerv

A

latissimus dorsi

48
Q

lower subcapular nerve innerv

A

teres major

49
Q

axillary nerve innerv

A

deltoid and teres minor

50
Q

lesion in C5 and C6, proximal musculature in upper limb is affected, waiter’s tip, altered sensation in LATERAL arm, forearm, thumb and index finger
UPPER brachial plexus injury

A

Erb-duchenne palsy

51
Q

compression of C8 and T1 ventral rami, affects DISTAL muscles in upper limb, altered sensation in MEDIAL hand, APE hand, CLAW hand
LOWER brachial plexus injury

A

Klumpke paralysis

52
Q

may be injured as a result of dislocation of the head of the humerus or bu a fracture of the surgical neck of humerus

A

axillary nerve

53
Q

may be injured as a result of spiral fracture of the midshaft of humerus; wrist drop; pain and paresthesia in skin overlying the first dorsal interosseous muscle between thumb and index finger

A

Radial nerve

54
Q

injures as a result of proximal lesion in the supracondylar fracture of the humerus; HAND OF BENEDICTION

A

Median nerve (proximal)

55
Q

may result from lunate disclocation; ape hand

A

Carpal tunnel syndrome

56
Q

carpal tunnel syndrome results from entrapment of what nerve?

A

median nerve (distal)

57
Q

tendons passing thru carpal tunnel

A

4 FDS tendon
4 FDP tendon
FPL

58
Q

anatomic relations of median nerve within carpal tunnel

A

MEDIAL to FDS

LATERAL to FCR

59
Q

distribution of median nerve

A

lateral 3 1/2 fingers; weakness thenar muscles

60
Q

medial epicondyle fracture leads to what nerve injury

A

ulnar nerve (proximal)

61
Q

fracture of hook of hamate leads to what nerve injury

A

ulnar nerve (distal)

62
Q

action of pectoralis minor muscle

A

depresses point of shoulder

63
Q

action of pectoralis major

A

adducts the arm

64
Q

action of subclavius

A

depresses clavivle

65
Q

action of serratus ant

A

draws scapula forward

66
Q

first part of axillary artery

A

sup thoracic artery

supplies muscles of first 2 intercostal spaces

67
Q

branches of 2nd part of axillary artery

A

thoracoacromial

lateral thoracic

68
Q

3rd part of axillary artery and supplies

A

subscapular artery- largest branch

subscapularis, teres major, latissimus dorsi

69
Q

branches of subscapular artery

A

thoracodorsal artery-supplies ant serratus muscle
circumflex scapular art
ant/pos circumflex humeral

70
Q

axillary vein is formed by

A

basilic vein + brachial vein

71
Q

cephalic vein drains to

A

axillary vein

72
Q

axillary vein drains to

A

subclavian ➝ brachiocephalic

73
Q

first bone to begin ossification during fetal development and last one to complete at about age 21

A

clavicle

74
Q

displacement of the distal segment of the lower end of radius POSTERIORLY and SUPERIORLY; distal radial fracture DORSAL

A

Colle/ Dinner/ Silver fork deformity

75
Q

MOI of Colle/ Dinner/ Silver fork deformity

A

fall on outstretched hand

76
Q

displacement of the distal segment of the lower end of radius ANTERIORLY; distal radial fracture VENTRAL

A

Smith fracture

77
Q

MOI of Smith fracture

A

fall on the back of hand

78
Q

MOI of Smith fracture

A

fall on the back of hand

79
Q

localized thickening and contracture of the palmar aponeurosis; flexion of PROXIMAL interphalangeal joints

A

Dupuytren contracture

80
Q

fracture of the base of the first metacarpal bone

A

Bennett fracture

81
Q

oblique fracture of the necks of the 4th or 5th metacarpals; distal segment displaced proximally- shortening of the fiber posteriorly

A

Boxer’s fracture

82
Q

sensory distribution of ulnar nerve

A

ant and post surface of medial 1 1/2 fingers

83
Q

dermatome of back of head

A

C2

84
Q

dermatome of tip of shoulder

A

C5

85
Q

dermatome thumb

A

C6

86
Q

dermatome middle finger

A

C7

87
Q

dermatome small finger

A

C8

88
Q

dermatome nipple

A

T4-T5

89
Q

dermatome umbilicus

A

T10

90
Q

dermatome inguinal

A

L1

91
Q

dermatome knee, medial leg

A

L4

92
Q

dermatome lateral leg, big toe

A

L5

93
Q

dermatome small toe

A

S1

94
Q

dermatome perineum

A

S5

02_Anatomy (10 decks)

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