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a&p lab > test 3 - muscles > Flashcards

test 3 - muscles Flashcards

1
Q

action of deltoid muscle

A

abducts arm, flexes, extends, medically & laterally rotates arm

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2
Q

origin of supraspinatus muscle

A

supraspinous fossa

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3
Q

insertion of pectoralis minor

A

corocoid process of scapula

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4
Q

origin of levator scapulae

A

c1-c4

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5
Q

insertion of latissimus dorsi

A

intertubercular groove of humerus

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6
Q

does the biceps brachii originate or insert on humerus

A

neither

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7
Q

origin of trapezius

A

occipital protuberance, nuchal ligament, spinous process, c7-t12

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8
Q

action of pectoralis major

A

flexes, adducts & medially rotates arm

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9
Q

insertion of subscapularis

A

lesser tubercle of humerus

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10
Q

action of triceps brachii

A

extends & adducts arm, extends forearm

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11
Q

origin of brachialis

A

anterior distal surface of humerus

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12
Q

muscles that flex arm

A

deltoid, biceps brachii

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13
Q

antagonists to triceps brachii

A

biceps brachii & brachiallus

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14
Q

origin of flexor carpi ulnaris

A

medial epicondyle of humerus & ulna, lepitodum process

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15
Q

anatagonists to spincter muscle

A

probation teres, pronator quadratus

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16
Q

insertion of flexor digitorum superficialis

A

middle phalanges of digits 3-5

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17
Q

insertions of extensor carpi ulnaris muscle

A

metacarpal 5

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18
Q

action of flexor carpi radialis muscles

A

flexes & abducts gand

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19
Q

what muscle extends both hand and phalanges

A

extensor digitorum

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20
Q

muscle extends thumb

A

abductor pollicis longus, extensor pollicis longus & brevis

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21
Q

what side are extensor carpi muscles located on forearm

A

posterior

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22
Q

three muscles that correspond to the single trapezius in humans

A

clavotrapezius, acrotrapezius, spinotrapezius

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23
Q

action of epitrochlearis

A

extends forelimb

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24
Q

which muscle is not human muscle

A

xiphihumeralis

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25
Q

how does deltoid of cat differ from that of human

A

cat has three muscles: clavodeltoid, acromiodeltoid, spinodeltoid

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26
Q

more developed in cats muscle

A

flexor digitorum profondus

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27
Q

hit a hammer with nail use:

A

triceps brachii

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28
Q

look up at ceiling use:

A

trapezius

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29
Q

if riding a horse, what muscles would you use to keep your seat out of the saddle as you rode

A

(8) rectus femoris, vastus lateralis, vastus medialis, gracilis, pectine, adductor brevis, adductor longus, adductor magnus

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30
Q

how does the gluteus medius and gluteus minimus prevent you from toppling over as you walk

A

stabilizes pelvis, keeps balance, maintains center of gravity

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31
Q

antagonist to biceps femoris

A

rectus femoris

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32
Q

two muscles that are synergists with biceps femoris

A

semiteninosis and semimembranous

33
Q

insertion of all muscles of quadriceps

A

tibial tuberosity

34
Q

how does action of the rectus femoris differ from that of the other quad muscles

A

only quad muscle that flexes thigh

35
Q

how many adductor muscles are there

A

5

36
Q

muscles responsible for thigh flexion

A

rectus remoras, tensor fasciate latae, iliopsoas, sartorios

37
Q

origin of hamstring muscles as a group

A

ischial tuberosity

38
Q

action of vastus lateralis

A

extends leg

39
Q

muscle group located on the anterior part of thigh

A

quadriceps

40
Q

is abduction of thigh movement away or toward midline

A

away

41
Q

what muscle flexes the lumbar vertebrae as part of its action

A

iliopsoas

42
Q

origin of gastrocnemius

A

condyles on femur

43
Q

insertion of tibialis anterior in humans

A

metatarsal 1, cuneiform 1

44
Q

how does the action of the fibularis longs in humans differ from that of the fibularis tertius

A

longus- flexes and everts foot

tertius- dorsiflexes foot

45
Q

action of the extensor hallucis longus

A

extends hallux, dorsiflexes & inverts foot

46
Q

the calf is made up of what two major muscles

A

gastrocnemius and soleus

47
Q

plantar flexion cocues by what muscles

A

(7) soleus, fibularis longus, fibularis brevis, gastrocneonius, tibialus posterior, flexor digitorum longus, hallucis longus

48
Q

what muscle extends toes

A

extensor digitorum longus

49
Q

muscle that dorsiflexes foot

A

tibialus anterior

50
Q

plantar flexion and eversion of the foot occur by that action of what muscle

A

fibulas tertius

51
Q

insertion of soleus

A

calcaneus by the calcaneal tendon

52
Q

insertion of the fibularis tertius muscle

A

dorsum of metacarpals

53
Q

insertion of the flexor digitorum longus

A

distal phalanges of digits 2-5

54
Q

origin of the masseter muscle

A

zygomatic arch

55
Q

action of the risorius

A

abducts corner of mouth

56
Q

what kind of muscle is the orbicularis oculi or orbicularis oris muscle in terms of action

A

sphincter muscle

57
Q

what muscle originates on the temporal fossa

A

temporalis

58
Q

two muscles that close the jaw

A

masseter and temporalis

59
Q

insertion of the sternocleidomastoid muscle

A

mastoid process and superior nuchal line

60
Q

what muscle closes lips

A

orbicularis oris

61
Q

insertion of the orbicularis oculi

A

skin of eyelid

62
Q

insertion of the temporalis

A

corned process, mandibular ramus

63
Q

muscle that closes the eye

A

orbicularis oculi

64
Q

action of the sternocleidomastoid

A

one rotates and extends neck, both flex neck

65
Q

synergist with the masseter

A

temporalis

66
Q

action of the serratus anterior muscle

A

abduction of the scapula

67
Q

four muscles that extend the vertebral column

A

spinalis, longissimus, semispinalis, multifidus

68
Q

how does the serratus anterior function as an antagonist to the rhomboideus muscles

A

abducts scapula

R- adducts

69
Q

how does action of the rectus abdominis differ from that of the other abdominal muscles

A

flexes vertebral column, compresses abdominal wall

70
Q

physical relationship of the intercostal muscles to each other

A

external superficial

internal deep

71
Q

extension and rotation of the vertebral column occur by what group of muscles

A

erector spinae

72
Q

action of the intercostal muscles

A

elevate and depress ribs

73
Q

what muscle inserts on the central tendon

A

diaphram

74
Q

tendinous intersections are found in what muscle

A

rectus abdominis

75
Q

what is the deepest abdominal muscle

A

transverse abdominis

76
Q

action of the quadrates lumborum

A

laterally flexes the vertebral column, depresses rib 12

77
Q

what two muscles originate on the neck and extend and rotate head

A

longissimus, spinialis

78
Q

how do the abdominal muscles in the cat compare with those in the human in terms of relative position

A

rectus abdominis is anterior instead of vertical in cats

a&p lab (3 decks)

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