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

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

(64 cards)

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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
anconeus innervation
radial nerve (C6-C8)
26
anconeus action
ulnar abduction during pronation + accessory to elbow extension
27
palmaris longus innervation
median nerve (C6-C7)
28
palmaris longus action
wrist flexion
29
flexor digitorum superficialis innervation
median nerve (C8-T1)
30
flexor digitorum superficialis action
PIP flexion of digits 2-5
31
flexor digitorum profundus innervation
digits 2 + 3: median nerve (C8-T1) digits 4 + 5: ulnar nerve (C8-T1)
32
flexor digitorum profundus action
DIP flexion of digits 2-5
33
extensor digitorum innervation
radial nerve (C7-C8)
34
extensor digitorum action
MCP extension of digits 2-5
35
extensor indicis innervation
radial nerve (C7-C8)
36
extensor indicis action
MCP extension of digit 2
37
extensor digiti minimi innervation
radial nerve (C7-C8)
38
extensor digiti minimi action
MCP extension of digit 5
39
lumbricals innervation
1 + 2: median nerve (C8-T1) 3 + 4: ulnar nerve (C8-T1)
40
lumbricals action
MCP flexion PIP + DIP extension
41
dorsal interossei innervation
ulnar nerve (C8-T1)
42
dorsal interossei action
MCP flexion finger abduction
43
palmar interossei innervation
ulnar nerve (C8-T1)
44
palmar interossei action
MCP flexion finger adduction
45
abductor digiti minimi innervation
ulnar nerve (C8-T1)
46
abductor digiti minimi action
digit 5 abduction
47
flexor pollicis longus innervation
median nerve (C8-T1)
48
flexor pollicis longus action
digit 1 flexion
49
flexor pollicis brevis innervation
superficial head: median nerve (C8-T1) deep head: ulnar nerve (C8-T1)
50
flexor pollicis brevis action
thumb flexion
51
extensor pollicis longus innervation
radial nerve (C7-C8)
52
extensor pollicis longus action
thumb flexion
53
extensor pollicis brevis innervation
radial nerve (C7-C8)
54
extensor pollicis brevis action
thumb extension
55
abductor pollicis longus innervation
radial nerve (C7-C8)
56
abductor pollicis longus action
thumb abduction
57
abductor pollicis brevis innervation
ulnar nerve (C8-T1)
58
abductor pollicis brevis action
thumb abduction
59
adductor pollicis innervation
ulnar nerve (C8-T1)
60
adductor pollicis action
thumb adduction
61
opponens pollicis innervation
median nerve (C8-T1)
62
opponens pollicis action
thumb opposition
63
opponens digit minimi innervation
ulnar nerve (C8-T1)
64
opponens digiti minimi action
digit 5 opposition

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