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bio 162 lab > practical 2 - muscle actions > Flashcards

practical 2 - muscle actions Flashcards

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Biology 101 flashcards
1
Q

rectus abdominis

A

flexion of trunk

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2
Q

external oblique

A

rotation of trunk to opposite side

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3
Q

internal oblique

A

rotation of trunk to same side

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4
Q

transversus abdominis

A

compression of trunk

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5
Q

external intercostals

A

inhalation

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6
Q

internal intercostals

A

exhalation

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7
Q

innermost intercostals

A

exhalation

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8
Q

erector spinae

A

rotation to same side

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9
Q

what happens if both erector spinae contract simultaneously?

A

extension of trunk

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10
Q

sternocleidomastoid

A

rotation to opposite side

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11
Q

what happens if both sternocleidomastoid muscles contract simultaneously?

A

flexion of the neck

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12
Q

serratus anterior

A

protraction of scapula

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13
Q

pectoralis minor

A

protraction of scapula

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14
Q

rhomboid major

A

retraction of scapula

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15
Q

rhomboid minor

A

retraction of scapula

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16
Q

levator scapulae

A

elevation of scapula

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17
Q

trapezius

A

elevation of scapula

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18
Q

subscapularis

A

medial rotation of shoulder

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19
Q

suprascapularis

A

abduction of shoulder

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20
Q

infraspinatus

A

lateral rotation of shoulder

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21
Q

teres minor

A

lateral rotation of shoulder

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22
Q

teres major

A

medial rotation of shoulder

23
Q

pectoralis major

A

flexion of shoulder

24
Q

latissimus dorsi

A

extension of shoulder

25
Q

lateral deltoid

A

abduction of shoulder

26
Q

posterior deltoid

A

lateral rotation of shoulder

27
Q

anterior deltoid

A

medial rotation of shoulder

28
Q

biceps brachii

A

flexion of elbow

29
Q

brachialis

A

flexion of elbow

30
Q

triceps brachii

A

extension of elbow

31
Q

flexor digitorum profundus

A

flexion of fingers

32
Q

extensor digitorum

A

extension of fingers

33
Q

gluteus maximus

A

extension of hip

34
Q

gluteus medius

A

abduction of hip

35
Q

gluteus minimus

A

abduction of hip

36
Q

are the glute muscles used during the gait cycle?

A

yes, they abduct so the opposite foot does not drag on the ground

37
Q

biceps femoris

A

flexion of knee

38
Q

semitendinosus

A

flexion of knee

39
Q

semimebranosus

A

flexion of knee

40
Q

hip ligaments

A

flex and pull into the acetabulum

41
Q

iliopsoas (psoas major and iliacus)

A

flexion of hip

42
Q

sartorius

A

flexion of hip

43
Q

rectus femoris

A

flexion of hip

44
Q

vastus lateralis

A

extension of knee

45
Q

vastus medialis

A

extension of knee

46
Q

vastus intermedius

A

extension of knee (and flexion of hip)

47
Q

gracilis

A

flexion of knee

48
Q

adductor magnus

A

adduction of hip

49
Q

adductor longus

A

adduction of hip

50
Q

adductor brevis

A

adduction of hip

51
Q

gastrocnemius

A

plantar flexion of ankle

52
Q

extensor digitorum longus

A

extension of toes

53
Q

flexor digitorum longus

A

flexion of toes

bio 162 lab (6 decks)

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