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Anatomy and Physiology 1 > Muscles (practicum) > Flashcards

Muscles (practicum) Flashcards

1
Q

ACTION: zygomaticus

A

smiling

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2
Q

ACTION: sternocleidomastoid

A

neck flexion

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3
Q

ACTION: digastric

A

opens mouth

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4
Q

ACTION: rectus abdominis

A

flexion of spine

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5
Q

ACTION: temporalis

A

elevation, retraction, excursion of mandible

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6
Q

ACTION: masseter

A

elevation, protraction, retraction, excursion of mandible

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7
Q

ACTION: trapezius

A

stabilizes, elevates, rotates, retracts scapula, depresses angle of shoulder

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8
Q

ORIGIN: trapezius

A

external occipital protuberance, spinous processes of C7-T12

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9
Q

INSERTION: TRAPEZIUS

A

scapula and clavicle

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10
Q

ACTION: PECTORALIS MAJOR

A

flexes, adducts, medially rotates humerus

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11
Q

ORIGIN: pectoralis major

A

clavicle, sternum, costal cartilages

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12
Q

INSERTION: pectoralis major

A

lateral, anterior, proximal humerus

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13
Q

ACTION: latissimus dorsi

A

adducts, medially rotates, extends humerus

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14
Q

ORIGIN: latissimus dorsi

A

vertebrae T7-L5; ribs; iliac crest; thoracolumbar fascia

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15
Q

INSERTION: latissimus dorsi

A

anterior, proximal humerus

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16
Q

ACTION: deltoid

A

flexes, extends, medially and laterally rotates, abducts humerus

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17
Q

ACTION: supraspinatus

A

abduction of arm

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18
Q

ACTION: infraspinatus

A

lateral rotation of humerus

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19
Q

ACTION: teres minor

A

lateral rotation of humerus

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20
Q

ACTION: subscapularis

A

medial rotation of humerus

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21
Q

ACTION: brachialis

A

flexion of elbow

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22
Q

ACTION: biceps brachii

A

flexion of elbow, supination of forearm; slight shoulder flexion

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23
Q

ORIGIN: biceps brachii

A

glenoid cavity and coracoid process of scapula

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24
Q

INSERTION: biceps brachii

A

radial tuberosity

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25
Q

ACTION: triceips brachii

A

extends elbow; extends, adducts humerus

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26
Q

ORIGIN: triceps brachii

A

glenoid cavity, posterior humerus

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27
Q

INSERTION: triceps brachii

A

olecranon process

28
Q

ACTION: flexor carpi radialis

A

flexes wrist, radial flexion

29
Q

ACTION: flexor carpi ulnaris

A

flexes wrist, ulnar flexion

30
Q

ACTION: flexor digitorum superficialis

A

flexes wrist, metacarpophalangeal and interphalangeal joints

31
Q

ACTION: extensor carpi radialis longus and brevis

A

extends wrist, radial flexion

32
Q

ACTION: extensor digitorum

A

extends wrist, metacarpophalangeal and interphalangeal joints

33
Q

ACTION: extensor carpi ulnaris

A

extends wrist, ulnar flexion

34
Q

ACTION: iliacus

A

flexes thigh at hip; flexes trunk at hip when thigh is fixed

35
Q

ACTION: psoas major

A

flexes thigh at hip; flexes trunk at hip when thigh is fixed

35
Q

ACTION: gluteus maximus

A

extends and abducts thigh

35
Q

ORIGIN: gluteus maximus

A

posterior gluteal line of illium, posterior sacrum

36
Q

INSERTION: gluteus maximus

A

gluteal tuberosity of femur

37
Q

ACTION: gluteus medius and minimus

A

abduct and medially rotate thigh

38
Q

ACTION: adductor magnus

A

adducts and medially rotates thigh, extends thigh at hip

39
Q

ACTION: rectus femoris

A

extends knee, flexes thigh at hip

40
Q

ORIGIN: rectus femoris

A

ilium

41
Q

INSERTION: rectus femoris

A

patella, tibial tuberosity, lateral and medial condyles of tibia

42
Q

ACTION: vastus lateralis

A

extends knee

43
Q

ACTION: vastus medialis

A

extends knee

44
Q

ACTION: vastus intermedius

A

extends knee

45
Q

ACTION: sartorius

A

knee and hip flexion, abducts and laterally rotates thigh

46
Q

ACTION: biceps femoris

A

flexes knee, extends hip; rotates knee

47
Q

ORIGIN: biceps femoris

A

ischial tuberosity and linea aspera

48
Q

INSERTION: biceps femoris

A

head of fibula

49
Q

ACTION: semitendinosus

A

flexes knee, rotates knee

50
Q

ACTION: semimembranosus

A

flexes knee, rotates knee

51
Q

ACTION: extensor digitorum longus

A

extends toes, dorsiflexes foot

52
Q

ACTION: extensor hallucis longus

A

extends great toe (hallux); dorsiflexes foot

53
Q

ACTION: tibialis anterior

A

dorsiflexes and inverts foot

54
Q

ORIGIN: tibialis anterior

A

lateral condyle of tibia

55
Q

INSERTION: tibialis anterior

A

medial cuneiform, metatarsal I

56
Q

ACTION: gastrocnemius

A

plantar flexes foot, flexes knee

57
Q

ORIGIN: gastrocnemius

A

condyles and popliteal surface of femur

58
Q

INSERTION: gastrocnemius

A

calcaneus

59
Q

ACTION: soleus

A

plantar flexes foot

60
Q

ACTION: flexor digitorum longus

A

flexes phalanges of digits II-V

61
Q

ACTION: flexor hallucis longus

A

flexes phalanx of great digit

62
Q

ACTION: tibialis posterior

A

inverts foot

63
Q

ACTION: fibularis (peroneus) longus

A

maintains concavity of sole, everts and plantar flexes foot

Anatomy and Physiology 1 (12 decks)

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