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Ortho > Muscle Actions > Flashcards

Muscle Actions Flashcards

1
Q

opponens digiti minimi m.

A

5th digit opposition

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2
Q

posterior scalene m.

A

2nd rib elevation, lateral neck flexion

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3
Q

anconeus m.

A

elbow extension

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4
Q

FPL

A

MCP, IP thumb flexion

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5
Q

serratus anterior m.

A

scapula protraction, superior rotation

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6
Q

ECRL

A

wrist extension, radial deviation

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7
Q

ECRB

A

wrist extension, radial deviation

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8
Q

Sternocleidomastoid m.

A

head rotation to opposite side; neck flexion

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9
Q

palmaris brevis m.

A

draws skin of ulnar side of hand toward center of palm

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10
Q

middle scalene m.

A

1st rib elevation, lateral neck flexion

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11
Q

obliquus capitis superior m.

A

head extension

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12
Q

anterior scalene m.

A

1st rib elevation, lateral neck flexion

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13
Q

rectus capitus posterior major m.

A

head rotation, extension

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14
Q

pronator teres m.

A

pronation

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15
Q

supraspinatus m.

A

initiates arm aBduction

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16
Q

FDP

A

MCP, PIP, DIP flexion

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17
Q

FCR

A

wrist flexion, radial deviation

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18
Q

abductor pollicis longus m.

A

thumb aBduction at carpometacarpal joint

19
Q

extensor pollicis longus m.

A

thumb extension at IP joint

20
Q

pec major m.

A

arm flexion, aDduction, medial rotation

21
Q

latissimus dorsi m.

A

arm extension, medial rotation

22
Q

trapezius m.

A

scapula elevation, depression, superior rotation, retraction

23
Q

FDS

A

MCP, PIP flexion

24
Q

opponens pollicis m.

A

thumb opposition

25
Q

adductor pollicis m.

A

thumb aDduction

26
Q

subscapularis m.

A

arm medial rotation, extension

27
Q

deltoid m.

A

arm aBduction; anterior fibers: arm flexion, medial rotation; posterior fibers: arm extension, lateral rotation

28
Q

EDM

A

extends: MCP, PIP, DIP joints of 5th digit

29
Q

extensor pollicis brevis m.

A

thumb extension at MP joint

30
Q

abductor pollicis brevis m.

A

thumb aBduction

31
Q

biceps brachii m.

A

arm flexion (long head); elbow flexion, supination

32
Q

infraspinatus m.

A

arm lateral rotation

33
Q

ECU

A

wrist extension, ulnar deviation

34
Q

brachioradialis m.

A

elbow flexion, pronation, supination

35
Q

rectus capitus posterior minor m.

A

head extension

36
Q

brachialis m.

A

elbow flexion

37
Q

FCU

A

wrist flexion, ulnar deviation

38
Q

teres minor m.

A

arm lateral rotation

39
Q

palmaris longus m.

A

wrist flexion

40
Q

triceps brachii m.

A

arm extension, adduction (long head); elbow extension

41
Q

obliquus capitus inferior m.

A

head rotation, extension

42
Q

ED

A

extends: MCP, PIP, DIP joints 2-5, wrist

43
Q

EI

A

extends index finger at MCP, PIP, DIP joints

Ortho (2 decks)

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