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Board Review -D- OPP! > Appendix B: Muscles and nerves of upper extremity > Flashcards

Appendix B: Muscles and nerves of upper extremity Flashcards

1
Q

neuro exam strength levels

A 
5 normal
4 with some Resistance
3 no Resistance but against gravity
2 without gravity
1 tiny amount
0 none
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2
Q

dermatome C1

A

skull vertex

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3
Q

dermatome C2

A

temple and occipital area

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4
Q

dermatome C3

A

supraclavicular fossa

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5
Q

dermatome C4

A

superior aspect shoulder

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6
Q

dermatome C5

A

lateral aspect elbow

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7
Q

motor C5

A

elbow flexors

biceps reflex

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8
Q

dermatome C6

A

lateral forearm and thumb

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9
Q

motor C6

A

wrist extensors

brachioradialis reflex

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10
Q

dermatome C7

A

middle finger

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11
Q

motor C7

A

elbow extensors

triceps reflex

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12
Q

dermatome C8

A

little finger and middle forearm

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13
Q

motor C8

A

deep finger and wrist flexors

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14
Q

dermatome T1

A

medial elbow and medial arm

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15
Q

motor T1

A

finger ABduction

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16
Q

ulnar nerve distribution in hand, sensory

A

4th and 5th digits

17
Q

radial nerve distribution hand, sensory

A

dorsal 1-3 fingers and lateral thumb

18
Q

inn action of deltoid

A

axillary n C5 C6

ABduct, ADduct, flex extend shoulder

19
Q

inn and action supraspinatus

A

suprascap nn C4 C5!! C6

begin Abduct arm

20
Q

infraspinatus inn and action

A

Suprascap n C4 C5!! C6

externall rotate arm

21
Q

supscapularis inn and action

A

upper and lower subscap nn
C5 C6!! C7
internally rotate arm

22
Q

action inn of teres major

A

lower sub scap C6!! C7

ADduct and internally rotate arm

23
Q

action and inn of teres minor

A

axillary n C5!! C6

externally rotate

24
Q

action and inn of latis dorsi

A

thoracodorsal C6 C7 C8

ADduct, extend shoulder, int rotate arm

25
Q

what mm insert on greater tubercle humerus

A

teres minor
infraspinatus
supraspinaus

26
Q

what mm insert on lesser tubercle humerus

A

subscapularis

27
Q

mm of the arm

A

coracobrachialis
biceps brachii
brachialis
triceps and anconeus??

28
Q

inn and action coracobrachialis

A

musculocutaneous C5 C6 C7

flex and ADduct arm

29
Q

inn and action of biceps brachii

A

musculocutaneous C5 C6

flex elbow and supinate forearm

30
Q

inn and action brachialis

A

musculocutaneous C5 C6

flex elbow

31
Q

insertion biceps brachii

A

radial tuberosity of radius, why it can supinate
long head starts glenoid labrumm
short head starts coracoid process

32
Q

innervation and action of triceps

A

radial n C6 C7!! C8!!

extends elbow

33
Q

heads of triceps origin

A

long head- lateral edge scapula
lateral head- superior to radial groove on humerus
medial head- humerus inferior to radial groove

34
Q

inn and action of anconeus

A

radial n C7 C8 T1

extend elbow

35
Q

mm innervated by median nerve

A

pronator teres– pronation
flexor carpi radialis– flex and ABduct hand
palmaris longus– flex hand
flexor digitorum superficialis– flex PIP and hand
1-2 fingers flexor digitorum profundus– flex DIP
flexor pollicus longus– flex thumb
pronator quadratus– pronates forearm
ABductor pollicis brevis
flexor pollicis brevis
opponens pollicis1&2 lumbricals– flex MCP and extend IP

36
Q

mm innervated by ulnar nerve

A

flexor carpi ulnaris- flexus and adducts hand
3-4 fingers flexor digitorum profundus– flex DIP
ADductor polliculs
ABductor digiti minimi
flexor digitorum minimi brevis
opponens digiti minimi
lumbricals 3-4— flex MCP extend IP
DABs and PADs: dorsal interossei ABduct (x4), Palmar interoseei ADduct(x3)

37
Q

mm inn by radial nn

A 
brachioradialis
extensor carpi radialis longus
extensor carpi radialis brevis
extensor digitorum
extensor digiti minimi
extensor carpi ulnaris
supinator
ABductor pollicus longus
extensor pollicis longus
extensor pollicis brevis
extensor indicis

Board Review -D- OPP! (15 decks)

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