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Arm/Forearm Flashcards

0
Q

Innervation of coracobrachialis

A

Musculocutaneous (C5-C7)

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1
Q

Action of coracobrachialis

A

Shoulder flexion, adduction

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2
Q

Action of biceps brachii

A

Shoulder flexion, elbow flexion, forearm supination

Stabilization of GH joint

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3
Q

Innervation of biceps brachii

A

Musculocutaneous (C5,C6)

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4
Q

Action of brachialis

A

Elbow flexion

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5
Q

Innervation of brachialis

A

Musculocutaneous (C5,C6)

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6
Q

Action of triceps brachii

A

Whole: elbow extension

Long head: shoulder extension and adduction

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7
Q

Innervation of triceps brachii

A

Radial nerve (C6,C8)

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8
Q

Action of anconeus

A

elbow extension

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9
Q

Innervation of anconeus

A

Radial nerve (C6-C8)

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10
Q

Action of supinator

A

supination of forearm

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11
Q

Innervation of supinator

A

Radial nerve (C6,C7)

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12
Q

Action of pronator teres

A

Pronation of forearm

Assists elbow flexion

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13
Q

Innervation of pronator teres

A

Median nerve (C6,C7)

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14
Q

Action of pronator quadratus

A

pronation of forearm

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15
Q

Innervation of pronator quadratus

A

Median nerve (C7,C8)

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16
Q

Action of extensor carpi radialis longus

A

Wrist extension
Radial deviation
Assists in elbow flexion

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17
Q

Innervation of extensor carpi radialis longus

A

Radial nerve (C6,C7)

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18
Q

Action of extensor carpi radialis brevis

A

Wrist extension

Assists radial deviation

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19
Q

Innervation of extensor carpi radialis brevis

A

Radial nerve (C7,C8)

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20
Q

Action of extensor carpi ulnaris

A

Wrist extension

Ulnar deviation

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21
Q

Innervation of extensor carpi ulnaris

A

Radial (C7,C8)

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22
Q

Action of Flexor Carpi Radialis

A

Wrist flexion
Radial deviation
Assist elbow flexion
Assists forearm pronation

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23
Q

Innervation of flexor carpi radialis

A

Median (C6,C7)

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24
Q

Action of palmaris longus

A

Wrist flexion

Tenses palmar fascia

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25
Q

Innervation of palmaris longus

A

Median (C7,C8)

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26
Q

Action of flexor carpi ulnaris

A

Wrist flexion
Ulnar deviation
Assist elbow flexion

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27
Q

Innervation of flexor carpi ulnaris

A

Ulnar nerve (C7-T1)

28
Q

Action of extensor digitorum

A

MP extension
IP extension in conjunction with hand intrinsics; without intrinsics produces MP hyperextension
Assist wrist extension

29
Q

Innervation of extensor digitorum

A

Radial (C7,C8)

30
Q

Action of extensor indicis

A

MP extension of index finger
IP extension in conjunction with hand intrinsics in the index finger
Assist wrist extension

31
Q

Innervation of extensor indicis

A

Radial nerve (C7,C8)

32
Q

Action of flexor digitorum superficialis

A

PIP flexion
Assist MP flexion
Assist wrist flexion

33
Q

Innervation of flexor digitorum superficialis

A

Median (C8,T1)

34
Q

Action of Flexor Digitorum Profundus

A

DIP flexion
Assist MP and PIP flexion
Assist wrist flexion

35
Q

Innervation of flexor digitorum profundus

A

Median (C8,T1) digits 2 and 3

Ulnar (C8,T1) digits 4 and 5

36
Q

Action of extensor digiti minimi

A

little finger MP and IP extension in conjunction with hand intrinsics in little finger
assist wrist extension

37
Q

Innervation of extensor digiti minimi

A

Radial nerve (C7,C8)

38
Q

Action of abductor digiti minimi

A

little finger abduction
assist little finger opposition
may assist little finger MCP flexion and IP extension

39
Q

Innervation of abductor digiti minimi

A

Ulnar (C8,T1)

40
Q

Action of flexor digiti minimi brevis

A

Little finger MP flexion

Assist little finger opposition

41
Q

Innervation of flexor digiti minimi brevis

A

Ulnar nerve (C8,T1)

42
Q

Action of opponens digiti minimi

A

Little finger opposition

43
Q

Innervation of opponens digiti minimi

A

Ulnar (C8,T1)

44
Q

Action of palmaris brevis

A

Corrugates skin on ulnar side of hand

45
Q

Innervation of palmaris brevis

A

Ulnar (C8,T1)

46
Q

Action of lumbricales

A

MP flexion and simultaneous IP extension

4th lumbrical assist assist oppostion of 5th digit

47
Q

Innervation of lumbricales

A

Median (C8,T1) for digits 1 and 2

Ulnar (C8,T1) for digits 3 and 4

48
Q

Action of dorsal interossei

A

MP abduction at index, middle, and ring fingers
Assist in MP flexion
Assist IP flexion
The 1st assist thumb abduction

49
Q

Innervation of dorsal interossei

A

Ulnar (C8,T1)

50
Q

Action of Palmar Interossei

A

MP adduction at index, ring, and little finger
Assist MP flexion
Assist IP extension
Assist opposition of digit 5

51
Q

Innervation of Palmar Interossei

A

Ulnar (C8,T1)

52
Q

Action of Abductor Pollicis Longus

A

Thumb CMC abduction
Thumb CMC extension
Radial deviation
Assist wrist flexion

53
Q

Innervation of Abductor Pollicis Longus

A

Radial (C7,C8)

54
Q

Action of extensor pollicis longus

A

Thumb IP extension
Assist thumb MP extension
Assist thumb CMC extension
Assist radial deviation

55
Q

Innervation of extensor pollicis longus

A

Radial (C7,C8)

56
Q

Action of Extensor Pollicis Brevis

A 
Thumb MP extension
Thumb CMC extension
Thumb CMC abduction
Assist radial deviation
Assist wrist extension
57
Q

Innervation extensor pollicis brevis

A

Radial (C7,C8)

58
Q

Action of Flexor Pollicis Longus

A

Thumb IP flexion
Assist MP flexion
Assist CMC flexion
Assist wrist flexion

59
Q

Innervation of flexor pollicis longus

A

Median (C7,C8)

60
Q

Action of Flexor Pollicis Brevis

A

Thumb MP flexion
Thumb CMC flexion
Assist thumb opposition

61
Q

Innervation of flexor pollicis brevis

A

Median to superficial head (C8,T1)

Ulnar to deep head (C8,T1)

62
Q

Action of abductor pollicis brevis

A

Thumb CMC abduction
Thumb MP abduction
Assist thumb opposition
Assist thumb IP extension

63
Q

Innervation of abductor pollicis brevis

A

Median (C7-T1)

64
Q

Action of Opponens Pollicis

A

Thumb CMC opposition (via simultaneous CMC flexion, abduction, and IR)

65
Q

Innervation of Opponens Pollicis

A

Median (C7-T1)

Ulnar (C8-T1)

66
Q

Action of adductor pollicis

A

Thumb CMC adduction
Assist thumb MP adduction
Assist thumb MP flexion

67
Q

Innervation of adductor pollicis

A

Ulnar (C8,T1)

Anatomy (9 decks)

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