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Anatomy: Muscles > Muscles > Flashcards

Muscles Flashcards

1
Q

frontalis

A

`elevates eyebrows, wrinkles forehead

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2
Q

occipitalis

A

draws scalp backward

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3
Q

orbicularis oculi

A

closes eyes for winking

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4
Q

orbicularis oris

A

closes and puckers lips: kissing

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5
Q

zygomaticus major

A

elevates corner of mouth for smiling

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6
Q

depressor anguli oris

A

depresses corner of mouth for frown

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7
Q

buccinator

A

pulls cheeks against teeth when chewing, moves cheek toward midline

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8
Q

platysma

A

flexes neck muscles, depresses lower lip

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9
Q

masseter

A

elevates and protracts mandible for chewing, muscle for chewing

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10
Q

temporalis

A

elevates and retracts mandible, muscle for chewing

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11
Q

medial and lateral pterygoids

A

elevates mandible and moves it side to side, muscle for chewing

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12
Q

genioglossus

A

protracts and depresses tounge

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13
Q

styloglossus

A

retracts and elevates tounge

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14
Q

hyoglossus

A

depresses side of tongue and retreacts

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15
Q

sternocleidomastiod

A

rotates head side to side, together-flex head and neck

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16
Q

splenius capitus

A

rotates head side to side, together-extend the head and neck

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17
Q

digastric

A

elevates hyoid and depresses mandible

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18
Q

stylohyoid

A

elevates hyoid

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19
Q

mylohyoid

A

elevates hyoid and raises floor of mouth

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20
Q

geniohyoid

A

elevates hyoid

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21
Q

sternohyoid

A

depresses hyoid

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22
Q

omohyoid

A

depresses hyoid

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23
Q

sternothyroid

A

depresses thyoid

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24
Q

thyrohyoid

A

depresses hyoid and raises thyroid

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25
Q

quadratus lumborum

A

together: extend the lumbar vertebral column. Each laterally flexes the vertebral column

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26
Q

erector spinae

A

work together to extend the vert. column

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27
Q

iliocostalis

A

most lateral of erector spinae

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28
Q

longissimus

A

intermediate of erector spine

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29
Q

spinalis

A

most medial of erector spinae

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30
Q

diaphragm

A

contraction pulls the central portion down, increasing vertical dimensions of the thorax

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31
Q

external intercostals

A

elevates ribs during inhalation. (contract, pull ribs upward)

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32
Q

internal intercostals

A

depresses ribs during exhalation

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33
Q

scalenes

A

elevates 1 and 2 ribs during inspiration

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34
Q

abdominal muscle group

A

compress abdominal contents and flex vertebral column

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35
Q

external abdominal oblique

A

flet vert column, compresse abdominal contents

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36
Q

internal oblique

A

flex vert. column and compress abdominal contents

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37
Q

transverse abdominis

A

flex vert. compress abdom.

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38
Q

rectus abdominis

A

flex. vert. compresse abdom.

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39
Q

trapezius

A

elevates, depresses, retracts and rotates scapula

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40
Q

rhomboids (major and minor)

A

elevate and retract scapula, pull toward midline

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41
Q

levator scapulae

A

elevates and retracts scapula

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42
Q

pectoralis minor

A

protracts and depresses scapula

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43
Q

serratus anterior

A

protacts and depresses scapula

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44
Q

pectoralis major

A

flexes, adducts, and medially rotates humerus

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45
Q

deltoid

A

abducts, flexes, and extends arm/humerus

46
Q

coracobrachialis

A

flexes and adducts arm/humerus

47
Q

terres major

A

extends, adducts, and medially rotates humerus

48
Q

subscapularis

A

medially rotates arm/humerus

49
Q

supraspinatus

A

abducts and laterally rotates arm

50
Q

infraspinatus

A

laterally rotates arm

51
Q

terres minor

A

laterally rotates arm

52
Q

biceps brachii

A

flex forearm/elbow

53
Q

brachialis

A

flex forearm/elbow

54
Q

brachioradialis

A

flex forearm/elbow

55
Q

triceps brachii

A

extend forearm/elbow

56
Q

aconeus

A

extend forearm/elbow

57
Q

pronator teres

A

pronates forearm

58
Q

flexor carpi radialis

A

flexes wrist and abduct hand

59
Q

palmaris longus

A

flexes wrist

60
Q

flexor carpi ulnaris

A

flexes wrist and adducts hand

61
Q

flexor digitorum superfacialis

A

flexes wrist and flexes digits 2-5 at MP and PIP joints

62
Q

flexor digitorum profundus

A

flexes wrist and digits at 2-5 MP PIP and DIP

63
Q

flexor pollicis longus

A

flexes thumb

64
Q

pronator quadratus

A

pronates forearm

65
Q

extensor carpi radialis longus

A

extends wrist and abducts hand

66
Q

extensor carpi radialis brevis

A

extends wrists/abducts hand

67
Q

entensor digitorum

A

extends wrist and extends digits 2-5 at MP PIP and DIP joints

68
Q

extensor carpi ulnaris

A

extends wrist and adducts hand (to midline

69
Q

supinator

A

supinates forearm

70
Q

abductor pollicis longus

A

abducts thumb

71
Q

extensor pollicis longus

A

extends thumb

72
Q

thenar muscles

A

move the thumb

73
Q

hypothenar

A

move the little finger

74
Q

midpalmar muscles

A

move fingers 2-5-flex the MP joints and extend the PIP and DIP joints

75
Q

lubricales

A

part of mid-palmer muscles, flex MP and extend PIP/DIP

76
Q

palm interossei

A

midpalmer muscles, adduct fingers, flex MP and extend PIP/DIP

77
Q

dorsal interossei

A

abduct fingers, flex MP and extend PIP/DIP

78
Q

pelvic diaphragm

A

closes inferior opening to pelvis, supports pelvic organs

79
Q

latissmus dorsi

A

adducts, extends, and medially rotates arm, humorous (swimmer’s muscle)

80
Q

iliacus

A

flex the thigh/hip

81
Q

psoas major

A

flex the thigh/hip

82
Q

sartorius

A

also flexes leg/knee. flex thigh/hip

83
Q

quadriceps femoris

A

extend the knee and leg (4 muscles)

84
Q

rectus femoris

A

extend the knee/leg QF

85
Q

vastus medialis

A

extend the knee/leg QF

86
Q

vastus intermedius

A

extend the knee/leg

87
Q

vastus lateralis

A

extend the knee/leg

88
Q

adductors (longus, brevis, magnus)

A

adduct the thigh hip, also flex

89
Q

pectineus

A

flex and adduct thigh/hip

90
Q

gracilis

A

flex knee/leg, adduct the thigh/hip

91
Q

tensor fascia latae

A

abduct thigh

92
Q

Illiotibial band

A

abduct thigh

93
Q

gluteus maximus

A

extend thigh/hip

94
Q

gluteus medius

A

abduct thigh/hip

95
Q

gluteus minimus

A

abduct thigh/hip

96
Q

bicep femoris

A

extend thigh, flex the leg

97
Q

semitendonosus

A

extend thigh, flex the leg

98
Q

semimembranosus

A

extend thigh/flex the leg

99
Q

tibialis anterior

A

dorsiflex and inverts foot

100
Q

extensor digitorium longus

A

dorsiflex foot, extend digits 2-5

101
Q

extensor hallucis longus

A

extends the big toe, dorsiflex the foot/ankle

102
Q

fibular longus

A

plantar flex, evert the foot

103
Q

fibular brevis

A

plantar flex, evert food

104
Q

gastrocnemuius

A

plantar flex foot/ankle. flex leg/knee

105
Q

soleus

A

plantar flex foot/ankle

106
Q

popliteus

A

flexes knee/leg

107
Q

flexor hallucis longus

A

plantar flexes foot, ankle, big toe

108
Q

flexor digitorum longus

A

plantar flexes foot, ankle, and toes

109
Q

tibialis posterior

A

plantar flexes foot, ankle. inverts foot

110
Q

extensor digitorum brevis

A

extends toes 2-4

111
Q

extensor hallucis brevis

A

extends big toe

Anatomy: Muscles (2 decks)

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