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wrist/hand muscles (extrinsic) Flashcards

1
Q

flexor carpi radialis origin

A

medial epicondyle of humerus

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2
Q

flexor carpi radialis insertion

A

2-3 metacarpals

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3
Q

flexor carpi radialis action

A

wrist flexion, radial deviation

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4
Q

flexor carpi radialis nerve

A

median

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5
Q

palmaris longus origin

A

medial epicondyle of humerus

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6
Q

palmaris longus insertion

A

flexor retinaculum and palmar aponeurosis

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7
Q

palmaris longus action

A

weak wrist flexor

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8
Q

palmaris longus nerve

A

median

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9
Q

Flexor carpi ulnaris origin

A

medial epicondyle of humerus

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10
Q

Flexor carpi ulnaris insertion

A

pisiform, hamate, base 5th metacarpal

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11
Q

Flexor carpi ulnaris action

A

wrist flexion, ulnar deviation

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12
Q

Flexor carpi ulnaris nerve

A

ulnar

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13
Q

Flexor digitorum superficialis origin

A

medial epicondyle of humerus, proximal ulna and radius

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14
Q

Flexor digitorum superficialis insertion

A

middle phalanx of 2-5

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15
Q

Flexor digitorum superficialis action

A

flexes proximal interphalangeal joint, MCP, weak wrist flexion

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16
Q

Flexor digitorum superficialis nerve

A

median

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17
Q

Flexor digitorum profundus origin

A

anterior, medial surface of ulna

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18
Q

Flexor digitorum profundus insertion

A

base of distal phalanx of 2-5

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19
Q

Flexor digitorum profundus action

A

flexion of interphalangeal joint, PIP, MCP, weak wrist flexion

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20
Q

Flexor digitorum profundus nerve

A

median/ulnar

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21
Q

Flexor pollicis longus origin

A

anterior radius and interosseous membrane

22
Q

Flexor pollicis longus insertion

A

base of distal phalanx of thumb

23
Q

Flexor pollicis longus action

A

flexion of interphalangeal joint, wrist flexion

24
Q

Flexor pollicis longus nerve

25
Q

Extensor carpi radialis longus and brevis origin

A

lateral epicondyle of humerus

26
Q

Extensor carpi radialis longus and brevis insertion

A

2-3 metacarpal

27
Q

Extensor carpi radialis longus and brevis action

A

wrist extension, radial deviation

28
Q

Extensor carpi radialis longus and brevis nerve

29
Q

Extensor digitorum origin

A

lateral epicondyle

30
Q

Extensor digitorum insertion

A

distal/middle phalanges 2-5

31
Q

Extensor digitorum action

A

extend 5th proximal distal interphalangeal joints, MCP, wrist extension

32
Q

Extensor digitorum nerve

33
Q

Extensor digiti minimi origin

A

lateral epicondyle

34
Q

Extensor digiti minimi insertion

A

tendon of extensor digitorum to 5th phalange

35
Q

Extensor digiti minimi action

A

extend 5th proximal phalanx, MCP, weak wrist extension

36
Q

Extensor digiti minimi nerve

37
Q

Extensor carpi ulnaris origin

A

lateral epicondyle

38
Q

Extensor carpi ulnaris insertion

A

5th metacarpal fracture

39
Q

Extensor carpi ulnaris action

A

wrist extension, ulnar deviation

40
Q

Extensor carpi ulnaris nerve

41
Q

Abductor pollicis longus origin

A

posterior radius and ulna, interosseous membrane

42
Q

Abductor pollicis longus insertion

A

1st metacarpal

43
Q

Abductor pollicis longus action

A

thumb abduction

44
Q

Abductor pollicis longus nerve

45
Q

Extensor pollicis longus and brevis origin

A

Posterior radius and ulna, interosseous membrane

46
Q

Extensor pollicis longus and brevis insertion

A

base of distal/proximal 1st phalanx

47
Q

Extensor pollicis longus and brevis action

A

thumb extension

48
Q

Extensor pollicis longus and brevis nerve

49
Q

Extensor indices origin

A

posterior ulna

50
Q

Extensor indices insertion

A

tendon of extensor digitorum

51
Q

Extensor indices action

A

Extend middle and distal phalanges of 2nd finger, MCP, weak wrist extensor

52
Q

Extensor indices nerve

kines 202 (9 decks)

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