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CLINICALS > Elbow, Forearm, Wrist, and Hand Muscle Actions + Innervations > Flashcards

Elbow, Forearm, Wrist, and Hand Muscle Actions + Innervations Flashcards

1
Q

brachialis innervation

A

musculocutaneous nerve (C5-C6)

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2
Q

brachialis action

A

elbow flexion

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3
Q

biceps brachii innervation

A

musculocutaneous nerve (C5-C6)

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4
Q

biceps brachii action

A

elbow flexion
forearm supination

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5
Q

brachioradialis innervation

A

radial nerve (C6-C8)

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6
Q

brachioradialis action

A

elbow flexion

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7
Q

triceps brachii innervation

A

radial nerve (C6-C8)

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8
Q

triceps brachii action

A

elbow extension

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9
Q

pronator quadratus innervation

A

median nerve (C7-C8)

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10
Q

pronator quadratus action

A

forearm pronation

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11
Q

pronator teres innervation

A

median nerve (C7-C8)

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12
Q

pronator teres action

A

forearm pronation

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13
Q

supinator innervation

A

radial nerve (C6-C8)

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14
Q

supinator action

A

forearm supination

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15
Q

flexor carpi radialis innervation

A

median nerve (C6-C7)

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16
Q

flexor carpi radialis action

A

wrist flexion
radial deviation

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17
Q

flexor carpi ulnaris innervation

A

ulnar nerve (C7-T1)

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18
Q

flexor carpi ulnaris action

A

wrist flexion
ulnar deviation

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19
Q

extensor carpi radialis longus innervation

A

radial nerve (C6-C7)

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20
Q

extensor carpi radialis longus action

A

wrist extension
radial deviation

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21
Q

extensor carpi radialis brevis innervation

A

radial nerve (C7-C8)

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22
Q

extensor carpi radialis brevis action

A

wrist extension
radial deviation

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23
Q

extensor carpi ulnaris innervation

A

radial nerve (C7-C8)

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24
Q

extensor carpi ulnaris action

A

wrist extension
ulnar deviation

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25
Q

anconeus innervation

A

radial nerve (C6-C8)

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26
Q

anconeus action

A

ulnar abduction during pronation + accessory to elbow extension

27
Q

palmaris longus innervation

A

median nerve (C6-C7)

28
Q

palmaris longus action

A

wrist flexion

29
Q

flexor digitorum superficialis innervation

A

median nerve (C8-T1)

30
Q

flexor digitorum superficialis action

A

PIP flexion of digits 2-5

31
Q

flexor digitorum profundus innervation

A

digits 2 + 3: median nerve (C8-T1)
digits 4 + 5: ulnar nerve (C8-T1)

32
Q

flexor digitorum profundus action

A

DIP flexion of digits 2-5

33
Q

extensor digitorum innervation

A

radial nerve (C7-C8)

34
Q

extensor digitorum action

A

MCP extension of digits 2-5

35
Q

extensor indicis innervation

A

radial nerve (C7-C8)

36
Q

extensor indicis action

A

MCP extension of digit 2

37
Q

extensor digiti minimi innervation

A

radial nerve (C7-C8)

38
Q

extensor digiti minimi action

A

MCP extension of digit 5

39
Q

lumbricals innervation

A

1 + 2: median nerve (C8-T1)
3 + 4: ulnar nerve (C8-T1)

40
Q

lumbricals action

A

MCP flexion
PIP + DIP extension

41
Q

dorsal interossei innervation

A

ulnar nerve (C8-T1)

42
Q

dorsal interossei action

A

MCP flexion
finger abduction

43
Q

palmar interossei innervation

A

ulnar nerve (C8-T1)

44
Q

palmar interossei action

A

MCP flexion
finger adduction

45
Q

abductor digiti minimi innervation

A

ulnar nerve (C8-T1)

46
Q

abductor digiti minimi action

A

digit 5 abduction

47
Q

flexor pollicis longus innervation

A

median nerve (C8-T1)

48
Q

flexor pollicis longus action

A

digit 1 flexion

49
Q

flexor pollicis brevis innervation

A

superficial head: median nerve (C8-T1)
deep head: ulnar nerve (C8-T1)

50
Q

flexor pollicis brevis action

A

thumb flexion

51
Q

extensor pollicis longus innervation

A

radial nerve (C7-C8)

52
Q

extensor pollicis longus action

A

thumb flexion

53
Q

extensor pollicis brevis innervation

A

radial nerve (C7-C8)

54
Q

extensor pollicis brevis action

A

thumb extension

55
Q

abductor pollicis longus innervation

A

radial nerve (C7-C8)

56
Q

abductor pollicis longus action

A

thumb abduction

57
Q

abductor pollicis brevis innervation

A

ulnar nerve (C8-T1)

58
Q

abductor pollicis brevis action

A

thumb abduction

59
Q

adductor pollicis innervation

A

ulnar nerve (C8-T1)

60
Q

adductor pollicis action

A

thumb adduction

61
Q

opponens pollicis innervation

A

median nerve (C8-T1)

62
Q

opponens pollicis action

A

thumb opposition

63
Q

opponens digit minimi innervation

A

ulnar nerve (C8-T1)

64
Q

opponens digiti minimi action

A

digit 5 opposition

CLINICALS (17 decks)

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