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Anatomy > Muscle Action > Flashcards

Muscle Action Flashcards

1
Q

levator scapulae

A

scapular elevation and inferior (downward) rotation

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2
Q

rhomboid minor and major

A

scapular elevation, inferior (downward) rotation, and retraction

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3
Q

serratus anterior

A

scapular superior rotation and stabilization

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4
Q

infraspinatus

A

adducts, laterally rotates, and stabilizes GH joint

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5
Q

supraspinatus

A

abducts and stabilizes GH joint

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6
Q

subscapularis

A

medially rotates and stabilizes GH joint

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7
Q

teres major

A

GH extension, adduction, and medial rotation

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8
Q

latissimus dorsi

A

GH extension, adduction, and medial rotation

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9
Q

pectoralis major

A

GH flexion, adduction, and medial rotation

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10
Q

pectoralis minor

A

scapular protraction and depression

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11
Q

coracobrachialis

A

GH adduction and flexion

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12
Q

long head of biceps brachii

A

GH flexion

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13
Q

short head of biceps brachii

A

elbow flexion and supination

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14
Q

brachialis

A

elbow flexion

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15
Q

pronator teres

A

forearm pronation

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16
Q

flexor carpi radialis

A

wrist flexion, hand abduction

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17
Q

palmaris longus

A

weak wrist flexion

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18
Q

flexor pollicis longus

A

flexes MP and IP joint of thumb

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19
Q

flexor digitorum superficialis

A

flexes wrist, 2nd-5th MP joints, and PIP joints

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20
Q

lateral half of flexor digitorum profundus

A

flexes wrist, 2nd-5th MP joints, PIP, and DIP joints

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21
Q

pronator quadratus

A

pronates forearm

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22
Q

lateral 2 lumbricals

A

flexes 2nd-5th MP joints, extends 2nd-5th PIP and DIP joints

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23
Q

opponens pollicis

A

opposes thumb

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24
Q

abductor pollicis brevis

A

abducts thumb

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25
Q

flexor pollicis brevis

A

flexes thumb

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26
Q

flexor carpi ulnaris

A

flexes wrist and adducts hand

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27
Q

medial half of flexor digitorum profundus

A

flexes wrist, 2nd-5th MP joints, PIP, and DIP joints

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28
Q

adductor pollicis

A

adducts thumb

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29
Q

dorsal interossei

A

abducts fingers 2-5

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30
Q

palmar interossei

A

adducts fingers 2-5

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31
Q

medial 2 lumbricals

A

flexes 2nd-5th MP joints, extends 2nd-5th PIP and DIP joints

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32
Q

opponens digiti minimi

A

opposition of finger 5

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33
Q

abductor digiti minimi

A

abducts finger 5

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34
Q

flexor digiti minimi brevis

A

flexes finger 5

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35
Q

anterior deltoid

A

GH flexion and lateral rotation

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36
Q

middle deltoid

A

GH abduction

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37
Q

posterior deltoid

A

GH extension and lateral rotation

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38
Q

teres minor

A

adducts, laterally rotates, and stabilizes GH joint

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39
Q

triceps brachii

A

primary extensor of elbow

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40
Q

long head of triceps brachii

A

extends GH joint

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41
Q

brachioradialis

A

elbow flexion

42
Q

extensor carpi ulnaris

A

extends wrist, adducts hand

43
Q

extensor digiti minimi

A

extends wrist, MP, and DIP joints of finger 5

44
Q

extensor digitorum

A

extends wrist and MP, PIP, and DIP joints of 2nd-5th fingers

45
Q

extensor carpi radialis longus

A

extends wrist, abducts hand

46
Q

extensor carpi radialis brevis

A

extends wrist, abducts hand

47
Q

supinator

A

supinates forearm

48
Q

abductor pollicis longus

A

abducts thumb

49
Q

extensor pollicis longus

A

extends MP and IP joints of thumb

50
Q

extensor pollicis brevis

A

extends MP joints of thumb

51
Q

extensor indicis

A

extends MP, PIP, and DIP joints of finger 2

52
Q

superior trapezius

A

elevate and superiorly rotate scapula

53
Q

middle trapezius

A

retract scapula

54
Q

inferior trapezius

A

depress scapula

55
Q

gracilis

A

hip adduction and medial rotation; knee flexion and medial rotation

56
Q

adductor brevis

A

adducts, medially rotates, and flexes hip

57
Q

adductor longus

A

adducts, medially rotates, and flexes hip

58
Q

pectineus

A

adducts, medially rotates, and flexes hip

59
Q

adductor part of adductor magnus

A

adducts, medially rotates, and flexes hip

60
Q

ilopsoas

61
Q

sartorius

A

hip flexion, abduction, and lateral rotation; knee flexion and medial rotation

62
Q

rectus femoris

A

hip flexion, knee extension

63
Q

vastus intermedius

A

knee extension

64
Q

vastus lateralis

A

knee extension

65
Q

vastus medialis

A

knee extension

66
Q

pectineus

A

adducts, medially rotates, and flexes hip

67
Q

gluteus medius and minimus

A

abducts and medially rotates hip

68
Q

tensor fasciae latae

A

flexes, abducts, and medially rotates hip

69
Q

gluteus maximus

A

extends, laterally rotates, and abducts hip

70
Q

short head of biceps femoris

A

flexes and laterally rotates knee

71
Q

long head of biceps femoris

A

extends hip and flexes nd laterally rotates knee

72
Q

semimembranosus

A

extends hip and flexes and medially rotates knee

73
Q

semitendinosus

A

extends hip and flexes and medially rotates knee

74
Q

hamstring part of adductor magnus

A

extends and laterally rotates hip

75
Q

gastrocnemius

A

flexes knee, plantar flexes ankle

76
Q

soleus

A

plantar flexes ankle

77
Q

plantaris

A

weak knee flexor and weak ankle plantar flexor

78
Q

flexor digitorum longus

A

plantar flexes and weakly inverts ankle; flexes MTP, PIP, and DIP of toes 2-5

79
Q

flexor hallucis longus

A

plantar flexes and weakly inverts ankle; flexes MTP and IP of great toe

80
Q

tibialis posterior

A

plantar flexes and inverts ankle

81
Q

popliteus

A

medially rotates tibia to unlock knee; flexes knee

82
Q

extensor hallucis brevis

A

extends MTP joint of great toe

83
Q

extensor digitorum brevis

A

extends MTP and both IP joints of toes 2-4

84
Q

extensor digitorum longus

A

extends MTP, PIP, and DIP of toes 2-5, dorsiflexes and everts ankle

85
Q

extensor hallucis longus

A

extends MTP and IP of great toe, dorsiflexes, and inverts ankle

86
Q

fibularis (peroneal) tertius

A

dorsiflexes and weakly everts ankle

87
Q

tibialis anterior

A

dorsiflexes and inverts ankle

88
Q

fibularis (peroneus) longus

A

everts ankle and assists plantar flexion of ankle

89
Q

fibularis (peroneus) brevis

A

everts ankle and assists plantar flexion of ankle

90
Q

adductor hallucis

A

adducts great toe (MTP)

91
Q

flexor digiti minimi brevis

A

flexes MTP joint of toe 5

92
Q

dorsal interossei

A

abducts toes (MTP)

93
Q

plantar interossei

A

adducts toes (MTP)

94
Q

abductor digiti minimi

A

abducts 5th toe (MTP)

95
Q

quadratus plantae

A

aligns flexor digitorum longus tendons to aid flexion of toes 2-5 (all joints)

96
Q

2nd-4th lumbricals

A

flexes MTP joints and extends PIP and DIP joints of toes 2-5

97
Q

flexor digitorum brevis

A

flexes MTP and PIP joints of toes 2-5

98
Q

abductor hallucis

A

abducts great toe (MTP)

99
Q

flexor hallucis brevis

A

flexes MTP joint of great toe

100
Q

first lumbrical

A

flexes MTP joints and extends PIP and DIP joints of toes 2-5

Anatomy (6 decks)

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