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MSK > What action does each muscle do? > Flashcards

What action does each muscle do? Flashcards

1
Q

gluteus maximus

A

hip extension

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2
Q

gluteus medius

A

hip abduction

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3
Q

gluteus minimus

A

hip abduction

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4
Q

piriformis

A

lateral rotator of hip

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5
Q

tensor fascia lata

A

medial rotator of hip

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6
Q

anterior compartment of the thigh

A

extension of knee, except sartorius which flexes the knee and hip

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7
Q

medial compartment of the thigh

A

adduction of the hip except pectineus which flexes the hip

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8
Q

posterior compartment of the thigh

A

flexors of the knee

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9
Q

sartorius

A

the exception to the anterior compartment, it flexes the knee and hip joints, laterally rotates the hip and medially rotates the knee

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10
Q

semitendinous

A

knee flexion and extension of hip

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11
Q

semimembranous

A

knee flexion and extension of hip

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12
Q

biceps femoris

A

knee flexion and extension of hip

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13
Q

vastus medialis

A

knee extension

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14
Q

vastus intermedius

A

knee extension

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15
Q

vastus lateralis

A

knee extension

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16
Q

rectus femoris

A

knee extension

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17
Q

pectineus

A

hip adduction

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18
Q

adductor longus

A

hip adduction

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19
Q

adductor brevis

A

hip adduction

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20
Q

adductor magnus

A

hip adduction

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21
Q

gracilis

A

hip adduction

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22
Q

pectoralis major

A

1) arm flexion 2) arm adduction 3) arm medial rotation

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23
Q

Pec minor

A

scapula proctraction

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24
Q

serratus anterior

A

protraction of scapula

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25
Q

supraspinatus

A

arm abduction

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26
Q

infraspinatus

A

external rotation of arm

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27
Q

teres minor

A

external rotation of arm

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28
Q

subscapularis

A

internal rotation of arm

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29
Q

teres major

A

internal rotation of arm

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30
Q

coracobrachialis

A

flexion of arm

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31
Q

biceps brachii

A

flexion on arm and elbow, supination

32
Q

brachialis

A

flexion of forearm

33
Q

triceps brachii

A

extension of arm

34
Q

pronator teres

A

pronation of forearm

35
Q

flexor carpi radialis

A

flexion of wrist

36
Q

palmaris longus

A

flexion of wrist

37
Q

flexor carpi ulnaris

A

flexion of wrist

38
Q

flexor digitorum superficialis

A

flexion of PIPs (also MCP and wrist a bit)

39
Q

flexor digitorum profundus

A

flexion of DIPs (also MCP and wrist a bit)

40
Q

flexor pollicus longus

A

flexion of thumb IP joint

41
Q

pronator quadratus

A

pronation of forearm

42
Q

brachioradioalis

A

flexor of forearm

43
Q

Extensor carpi radialis longus

A

extensor of wrist

44
Q

extensor carpi radialis brevis

A

extensor of wrist

45
Q

extensor digitorum

A

extension of digits 2-5

46
Q

extensor digiti minimi

A

extension of little finger

47
Q

extensor carpi ulnaris

A

extension of wrist

48
Q

anconeus

A

extension of elbow

49
Q

abductor pollicis longus

A

abduction of thumb

50
Q

extensor pollicis longus

A

extension of thumb

51
Q

extensor pollicis brevis

A

extension of thumb

52
Q

extensor indicis

A

extension of index finger

53
Q

Abductor pollicis brevis

A

thumb abduction

54
Q

Opponens pollicis

A

opposition of the thumb

55
Q

Flexor pollicis brevis

A

thumb flexion

56
Q

abductor digiti minimi

A

fifth digit abduction

57
Q

opponens digiti minimi

A

opposition of the fifth digit

58
Q

flexor digiti minimi brevis

A

fifth digit flexion

59
Q

palmaris brevis

A

…don’t know…

60
Q

lumbricals

A

flexion of MCP, extension of PIP and DIP (Ta-Ta)

61
Q

palmar interossei

A

adduction (PAD)

62
Q

dorsal interossei

A

abduction (DAB)

63
Q

gasctrocnemius

A

plantar flexion

64
Q

soleus

A

plantar flexion

65
Q

popliteus

A

unlocks knee

66
Q

plantaris

A

plantar flexion

67
Q

flexor digitorum longus

A

flexion of toes 2,3,4,5

68
Q

flexor hallucis longus

A

flexion of big toe

69
Q

tibialis posterior

A

plantar flexion and inversion

70
Q

tibialis anterior

A

dorsiflexion and inversion

71
Q

extensor hallucis longus

A

extend toe 1

72
Q

extensor digitorum longus

A

extension of toes 2,3,4,5

73
Q

fibularis tertiate

A

dorsiflexion and eversion

74
Q

extensor digitorum brevis

A

extension of toes 2,3,4

75
Q

extensor hallucis brevis

A

extension of toe 1

76
Q

fibularis longus

A

eversion

77
Q

fibularis brevis

A

eversion

MSK (8 decks)

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