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HSC 680 > Muscle Actions Exam 1 > Flashcards

Muscle Actions Exam 1 Flashcards

1
Q

quadratus plantae

A

directs tendons

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2
Q

lumbricles

A

adduct toe 2-5, flex MTP joint, extend IP joint 2-5

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3
Q

extensor digitorum brevis

A

extend toes 2-4

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4
Q

flexor hallicus longus

A

plantarflex, inversion, flex digit 1

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5
Q

flexor digitorum longus

A

plantarflex, inversion, flex digit 2-5

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6
Q

tibialis posterior

A

planterflex, inversion

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7
Q

soleus

A

plantarflex ankle

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8
Q

gastrocnemius

A

plantarflex ankle, flex knee

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9
Q

popliteus

A

flex knee, medially rotate knee

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10
Q

hamstrings

A

flex knee, extend hip

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11
Q

fibularis tertius

A

dorsiflex, eversion

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12
Q

fibularis brevis

A

plantarflex, eversion

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13
Q

fibularis longus

A

plantarflex, eversion

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14
Q

extensor hallicus longus

A

dorsiflexion, inversion & eversion, extend big toe

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15
Q

extensor digitorum longus

A

dorsiflex, eversion, extend digit 2-5

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16
Q

tibialis anterior

A

dorsiflex, inversion

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17
Q

quadriceps

A

extend knee

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18
Q

rectus femoris

A

flex hip, extend knee

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19
Q

piriformis

A

external rotation, abduction, extend hip

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20
Q

gluteus minimus

A

external rotation, flex and internally rotate hip, extend and externally rotate hip

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21
Q

gluteus medius

A

abduct hip, flex and internally rotate hip, extend and externally rotate hip

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22
Q

gluteus maximus

A

extend hip, externally rotate hip, abduction, adduction

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23
Q

iliacus

A

contract/raise trunk, unilateral bend

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24
Q

psoas major

A

flex hip, external rotation of the hip

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25
Q

lumbricals of the foot

A

plantar flexion & flexion of toes

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26
Q

abductor pollicus longus

A

abduct hand and thumb

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27
Q

extensor pollicus brevis

A

abduct hand, extend thumb

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28
Q

extensor pollicus longus

A

extend wrist

29
Q

extensor digiti minimi

A

wrist extension, extend digit 5

30
Q

extensor indicis

A

extend digit 2

31
Q

extensor digitorum

A

extend wrist and digits 2-5

32
Q

extensor carpi radialis brevis

A

abduction & extension of wrist

33
Q

extensor carpis radialis longus

A

abduction & extension of wrist

34
Q

flexor digitorum profundus

A

wrist flexion

35
Q

flexor carpi radialis

A

flex and abduct wrist

36
Q

flexor digitorum superficialis

A

flex wrist, weak elbow flexor

37
Q

pronator quadratus

A

pronate hand

38
Q

pronator teres

A

pronates elbow, flexes elbow

39
Q

triceps brachii

A

extend elbow, extend/adduct shoulder

40
Q

latissimus dorsi

A

internal rotate, adduct, extend, aids in respiration

41
Q

teres minor

A

external rotation

42
Q

teres major

A

adduct, extend, internally rotate shoulder

43
Q

rhomboid

A

retract and elevates scapula

44
Q

trapezius

A

retract and elevate the scapula

45
Q

brachialis

A

flex elbow

46
Q

biceps brachii

A

flex & supinate elbow

flex, abduct, internally rotate humerus

47
Q

coracobrachialis

A

flex, adduct, internal rotation

48
Q

infraspinatus

A

external rotation

49
Q

supraspinatus

A

abductor

50
Q

pec major

A

adduction, internal rotation, aids flexion

51
Q

pec minor

A

depress scapula

52
Q

pectoralis major

A

adduction, internal rotation, aids flexion

53
Q

serratus anterior

A

external rotation, lowers arm from supine position, draw scapula forward

54
Q

deltoid

A

flex, internal rotation, adduct

55
Q

erector spinae

A

flex, internal rotation, adduction

56
Q

transverse abdominus

A

rotate trunk same side, compress ab

57
Q

internal oblique

A

flex trunk, compress ab, stabilize pelvis

58
Q

external oblique

A

bend trunk same side, rotate opposite side

59
Q

rectus abdominus

A

flex trunk, stabilize pelvis

60
Q

diaphragm

A

respiration

61
Q

intercostals

A

external: inspiration
internal: expiration

62
Q

sternocleidomastoid

A

tilt head, rotate head, extend head

63
Q

platysma

A

sad lip face

64
Q

mylohyoid

A

swallowing, mastication

65
Q

sternohyoid

A

depress hyoid, swallowing

66
Q

buccinator

A

fish lips

67
Q

orbicularis occuli

A

close eyes/wink

68
Q

orbicularis oris

A

kiss, suck (oral sphincter)

69
Q

temporalis

A

retract, lateral movement, elevate mandible

HSC 680 (4 decks)

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