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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
Extensor carpi radialis longus and brevis origin
lateral epicondyle of humerus
26
Extensor carpi radialis longus and brevis insertion
2-3 metacarpal
27
Extensor carpi radialis longus and brevis action
wrist extension, radial deviation
28
Extensor carpi radialis longus and brevis nerve
radial
29
Extensor digitorum origin
lateral epicondyle
30
Extensor digitorum insertion
distal/middle phalanges 2-5
31
Extensor digitorum action
extend 5th proximal distal interphalangeal joints, MCP, wrist extension
32
Extensor digitorum nerve
radial
33
Extensor digiti minimi origin
lateral epicondyle
34
Extensor digiti minimi insertion
tendon of extensor digitorum to 5th phalange
35
Extensor digiti minimi action
extend 5th proximal phalanx, MCP, weak wrist extension
36
Extensor digiti minimi nerve
radial
37
Extensor carpi ulnaris origin
lateral epicondyle
38
Extensor carpi ulnaris insertion
5th metacarpal fracture
39
Extensor carpi ulnaris action
wrist extension, ulnar deviation
40
Extensor carpi ulnaris nerve
radial
41
Abductor pollicis longus origin
posterior radius and ulna, interosseous membrane
42
Abductor pollicis longus insertion
1st metacarpal
43
Abductor pollicis longus action
thumb abduction
44
Abductor pollicis longus nerve
radial
45
Extensor pollicis longus and brevis origin
Posterior radius and ulna, interosseous membrane
46
Extensor pollicis longus and brevis insertion
base of distal/proximal 1st phalanx
47
Extensor pollicis longus and brevis action
thumb extension
48
Extensor pollicis longus and brevis nerve
radial
49
Extensor indices origin
posterior ulna
50
Extensor indices insertion
tendon of extensor digitorum
51
Extensor indices action
Extend middle and distal phalanges of 2nd finger, MCP, weak wrist extensor
52
Extensor indices nerve
radial

kines 202 (6 decks)

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