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Honors Anatomy > Muscles > Flashcards

Muscles Flashcards

1
Q

Origin of pectoralis major

A

Sternum, clavicle, 1-6 ribs

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2
Q

Insertion of pectoralis major

A

Humerus

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3
Q

Primary Action of pectoralis major

A

adducts/flexes humerus

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4
Q

Origin of external oblique

A

lower 8 ribs

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5
Q

Insertion of external oblique

A

iliac crest

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6
Q

Primary actions of external oblique

A

flexes/rotates vertebral column

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7
Q

Origin of rectus abdominis

A

pubis

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8
Q

Insertion of rectus abdominis

A

sternum, 5-7 ribs

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9
Q

Primary actions of rectus abdominis

A

flexes vertebral column

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10
Q

Origin of adductor muscles

A

pelvis

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11
Q

Insertion of adductor muscles

A

femur

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12
Q

Primary actions of adductor muscles

A

adduct/medially rotate thigh

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13
Q

Origin of sartorius

A

ilium

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14
Q

Insertion of sartorius

A

tibia

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15
Q

Primary actions of sartorius

A

flexes thigh on hip

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16
Q

Origin of quadriceps group

A

vasti: femur; rectus femoris: pelvis

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17
Q

Insertion of quadriceps group

A

tibial tuberosity via patellar ligament

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18
Q

Primary actions of quadriceps group

A

all extend knee; rectus femoris flexes thigh on hip

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19
Q

Origin of tibialis anterior

A

tibia

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20
Q

Insertion of tibialis anterior

A

tarsal; 1st metatarsals

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21
Q

Primary actions of tibialis anterior

A

dorsiflexes and inverts foot

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22
Q

Origin of extensor digitorum longus

A

tibia & fibula

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23
Q

Insertion of extensor digitorum longus

A

distal toes 2-5

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24
Q

Primary actions of extensor digitorum longus

A

Plantar flex and evert foot

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25
Q

Origin of frontalis

A

cranial aponeurosis

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26
Q

Insertion of frontalis

A

skin of eyebrows

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27
Q

Primary actions of frontalis

A

raises eyebrows

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28
Q

Origin of orbicularis oculi

A

frontal bone & maxillae

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29
Q

Insertion of orbicularis oculi

A

tissue around eyebrows

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30
Q

Primary actions of orbicularis oculi

A

blinks and closes eye

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31
Q

Origin of orbicularis oris

A

mandible & maxillae

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32
Q

Insertion of orbicularis oris

A

skin/muscle around mouth

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33
Q

Primary action of orbicularis oris

A

closes/protrudes lips

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34
Q

Origin of temporalis

A

temporal bone

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35
Q

Insertion of temporalis

A

mandible

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36
Q

Primary action of temporalis

A

closes jaw

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37
Q

Origin of zygomaticus

A

zygomatic bone

38
Q

insertion of zygomaticus

A

skin/muscle at corner of lips

39
Q

primary action of zygomaticus

A

raises corner of mouth

40
Q

origin of masseter

A

temporal bone

41
Q

insertion of masseter

A

mandible

42
Q

primary action of masseter

A

closes jaw

43
Q

origin of buccinator

A

maxillae & mandible near molars

44
Q

insertion of buccinator

A

orbicularis oris

45
Q

primary action of buccinator

A

compresses cheek, holds food between teeth

46
Q

origin of sternocleidomastoid

A

sternum & clavicle

47
Q

insertion of sternocleidomastoid

A

temporal bone (mastoid process)

48
Q

primary action of sternocleidomastoid

A

flexes neck & laterally rotates head

49
Q

origin of platysma

A

connective tissue covering of superior chest muscles

50
Q

insertion of platysma

A

tissue around mouth

51
Q

primary action of platysma

A

tenses skin of neck

52
Q

origin of biceps brachii

A

scapula of shoulder girdle

53
Q

insertion of biceps brachii

A

radius

54
Q

primary action of biceps brachii

A

flexes elbow & supinates forearm

55
Q

origin of brachialis

A

humerus

56
Q

insertion of brachialis

A

ulna

57
Q

primary action of brachialis

A

flexes elbow

58
Q

primary action of arm/shoulder deltoid

A

abducts arm

59
Q

origin of gluteus maximus

A

sacrum & ilium

60
Q

insertion of gluteus maximus

A

femur

61
Q

primary action of gluteus maximus

A

extend hips

62
Q

origin of hamstring muscles

A

ischial tuberosity

63
Q

insertion of hamstring muscles

A

tibia

64
Q

primary action of hamstring muscles

A

abducts thigh & steadies pelvis

65
Q

origin of gastrocnemius

A

femur

66
Q

insertion of gastrocnemius

A

calcaneus

67
Q

primary action of gastrocnemius

A

plantar flexes foot & flexes knee

68
Q

origin of soleus

A

tibia & fibula

69
Q

insertion of soleus

A

calcaneus

70
Q

primary action of soleus

A

plantar flexes foot

71
Q

origin of trapezius

A

occipital bone; thoracic & cervical vertebrae

72
Q

insertion of trapezius

A

scapular spine & clavicle

73
Q

primary action of trapezius

A

raises, retracts, and rotates scapula

74
Q

origin of latissimus dorsi

A

lower spine & iliac crest

75
Q

insertion of latissimus dorsi

A

humerus

76
Q

primary action of latissimus dorsi

A

abducts humerus

77
Q

origin of deltoid

A

scapular spine & clavicle

78
Q

insertion of deltoid

A

humerus

79
Q

primary action of deltoid

A

abducts humerus

80
Q

origin of triceps brachii

A

shoulder girdle & humerus

81
Q

insertion of triceps brachii

A

olecranon process of ulna

82
Q

primary action of triceps brachii

A

extends elbow

83
Q

origin of flexor carpi radialis

A

humerus

84
Q

insertion of flexor carpi radialis

A

second and third metacarpals

85
Q

primary action of flexor carpi radialis

A

flexes wrist & abducts hand

86
Q

origin of flexor carpi ulnaris

A

humerus & ulna

87
Q

insertion of flexor carpi ulnaris

A

carpals of wrist & fifth metacarpal

88
Q

primary action of flexor carpi ulnaris

A

flexes wrist and adducts hand

89
Q

origin of extensor carpi radialis

A

humerus

90
Q

insertion of extensor carpi radialis

A

base of second and third metacarpals

91
Q

primary action of extensor carpi radialis

A

extends wrist & abducts hand

Honors Anatomy (6 decks)

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