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Anatomy E2 > actions E2 muscles > Flashcards

actions E2 muscles Flashcards

1
Q

neck lateral flexion (3)

A

anterior + middle + posterior scalene

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2
Q

rib elevation (3)

A

1st rib: anterior/middle scalene
2nd rib: posterior scalene

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3
Q

shoulder flexion (1)

A

coracobrachialis

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4
Q

shoulder adduction (1)

A

coracobrachialis

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5
Q

shoulder: resists dislocation (3)

A

biceps brachii (short head), coracobrachialis, triceps brachii (long head)

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6
Q

elbow/forearm flexion (4)

A

biceps brachii, brachialis, brachioradialis, pronator teres (assists)

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7
Q

elbow/forearm extension (2)

A

triceps brachii, anconeus (assists)

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8
Q

elbow/forearm supination (3)

A

biceps brachii, supinator, brachioradialis (assists)

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9
Q

elbow/forearm pronation (4)

A

pronator teres, pronator quadratus, brachioradialis (assists), anconeus (assists)

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10
Q

wrist/hand flexion (3)

A

FCR, FCU, FDP*

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11
Q

wrist/hand extension (4)

A

ECRL, ECRB, ECU, EI*

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12
Q

wrist/hand radial deviation (3)

A

FCR, ECRL, ECRB

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13
Q

wrist/hand ulnar deviation (2)

A

FCU, ECU

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14
Q

wrist/hand fist clenching (2)

A

ECRL, ECU (active during)

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15
Q

long digits flexion (3)

A

FDS (not at DIP), FDP, FDM (5th digit, MCP)

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16
Q

long digits extension (3)

A

extensor digitorum, extensor digiti minimi (MCP), extensor indicis

17
Q

long digits abduction (2)

A

abductor digiti minimi (MCP), dorsal interossei (digits 2-4)

18
Q

long digits adduction (1)

A

palmar interossei (digit 2-5)

19
Q

opposition (5th digit) (1)

A

opponens digiti minimi (CMC)

20
Q

lumbrical grip (MCP flex, IPs extend) (sock puppet) (3)

A

lumbrical, PAD, DAB

21
Q

thumb flexion (2)

A

FPL, FPB

22
Q

thumb extension (3)

A

EPL, EPB (not at IP joint), abductor pollicis longus

23
Q

thumb abduction (CMC) (2)

A

abductor pollicis longus, abductor pollicis brevis

24
Q

thumb adduction (CMC, MCP) (1)

A

adductor pollicis

25
Q

thumb opposition (3)

A

opponens pollicis, abductor pollicis brevis, FPB*

Anatomy E2 (10 decks)

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