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Anatomy Finale > Exam 2 Muscle Actions > Flashcards

Exam 2 Muscle Actions Flashcards

1
Q

Neck lateral flexion

A

Anterior, middle, posterior scalene

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2
Q

Rib elevation

A

anterior and middle scalene (1st) and posterior scalene (2nd)

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3
Q

Shoulder flexion

A

coracobrachialis

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4
Q

shoulder adduction

A

coracobrachialis

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5
Q

Resists shoulder dislocation

A

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

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6
Q

Elbow flexion

A

biceps brachii, brachialis, brachioradialis, *pronator teres

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7
Q

elbow extension

A

triceps brachii, *anconeus

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8
Q

forearm supination

A

biceps brachii, supinator, *brachioradialis

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9
Q

forearm pronation

A

pronator teres, pronator quadratus, *brachioradialis, *anconeus

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10
Q

wrist flexion

A

flexor carpi radialis, flexor carpi ulnaris, *flexor digitorum profundus

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11
Q

wrist extension

A

extensor carpi radialis longus, extensor carpi radialis brevis, extensor carpi ulnaris, *extensor indicis

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12
Q

radial deviation (Abduct)

A

flexor carpi radialis, extensor carpi radialis longus, extensor carpi radialis brevis

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13
Q

ulnar deviation (Adduct)

A

flexor carpi ulnaris, extensor carpi ulnaris

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14
Q

fist clenching

A

extensor carpi radialis longus, extensor carpi ulnaris

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15
Q

Long Digit (4) MCP and IP Joint Flexion

A

flexor digitorum superficialis (not at DIP), flexor digitorum profundus, flexor digiti minimi (5th digit, MCP)

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16
Q

Long Digit (4) MCP and IP Joint Extension

A

extensor digitirum, extensor digiti minimi (5th digit), extensor indices (2nd digit)

17
Q

Long Digit (4) MCP and IP Joint Abduction

A

abductor digiti minimi (5th digit, MCP), dorsal interossei (digits 2-4)

18
Q

Long Digit (4) MCP and IP Joint Adduction

A

palmar interossei (digits 2,4,5)

19
Q

Opposition (5th digit)

A

opponens digiti minimi (CMC)

20
Q

Lumbrical Grip (MCP flex, IPs extend)

A

lumbricals, *palmar interossei, *dorsal interossei

21
Q

Thumb - CMC, MCP, & IP joint Flexion

A

flexor pollicis longus, flexor pollicis brevis (not at IP)

22
Q

Thumb - CMC, MCP, & IP joint Extension

A

extensor pollicis longus, extensor pollicis brevis (not at IP), abductor pollicis longus

23
Q

Thumb Abduction (CMC)

A

abductor pollicis longus, abductor pollicis brevis

24
Q

Thumb Adduction (CMC, MCP)

A

adductor pollicis

25
Q

Thumb opposition

A

opponens pollicis, *flexor pollicis brevis, *abductor pollicis brevis

Anatomy Finale (12 decks)

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