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CPPS 221 > Musculature actions > Flashcards

Musculature actions Flashcards

1
Q

Masseter action

A

Elevates mandible and closes jaws, protraction, retraction of mandible, and moving mandible side to side

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2
Q

Temporalis action

A

Elevates mandible and closes jaws, protraction, retraction of mandible, and moving mandible side to side

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3
Q

Medial pterygoid action

A

Elevates mandible and closes the jaws, or moves mandible from side to side

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4
Q

Lateral pterygoid action

A

Opens jaw, protrudes mandible, or moves mandible side to side

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5
Q

Depressor anguli oris action

A

frown

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6
Q

Oribicularis oculi action

A

Blink/close eyes

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7
Q

Zygomaticus major action

A

smile

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8
Q

Orbicularis oris action

A

close mouth, kiss

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9
Q

Frontal belly of occipitofrontalis action

A

Wrinkle forehead, raise eyebrows

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10
Q

Platysma action

A

tense skin of neck

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11
Q

Sternocleidomastoid action

A

a. together: flexes the neck
b. individually: laterally flex/rotate head to opposite side

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12
Q

Anterior belly of digastric action

A

Depresses mandible, opening mouth, and/or elevates larynx

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13
Q

Posterior belly of digastric action

A

Depresses mandible, opening mouth, and/or elevates larynx

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14
Q

Geniohyoid action

A

Depresses mandible, and elevates larynx

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15
Q

Mylohyoid action

A

Elevates floor of mouth, elevates hyoid bone, depresses mandible

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16
Q

Omohyoid action

A

Depresses hyoid bone and larynx

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17
Q

Sternohyoid action

A

Depresses hyoid bone and larynx

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18
Q

Sternothyroid action

A

Depresses hyoid bone and larynx

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19
Q

Stylohyoid action

A

Elevates larynx

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20
Q

Trapezius action

A

Elevate, retract, depress, rotate scapula upward

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21
Q

Scalene muscles together action

A

Flexion

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22
Q

Scalene muscles alone action

A

lateral flexion, rib elevation

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23
Q

Scalene muscles rotation

A

Ant. scalene; rotate opposite side
Mid+post; same side rotation

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24
Q

Latissimus dorsi action

A

Extends, adducts, medial rotates shoulder

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25
Q

Levator Scapulae action

A

Elevates scapula

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26
Q

Rhomboid Major action

A

Adducts and performs downward rotation of scapula

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27
Q

Rhomboid Minor action

A

Adducts and downward rotation of scapula

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28
Q

Erector Spinae action

A

Together: back extension
Unilateral - neck and spine lateral flexion

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29
Q

Multifidus action

A

Extends vertebral column and rotates toward opposite side

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30
Q

Rotatores action

A

Extends vertebral column and rotates toward opposite side

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31
Q

interspinales action

A

Extends vertebral column

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32
Q

External oblique action

A

Compresses, rotates opposite side

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33
Q

Internal oblique action

A

Compresses, rotates same side

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34
Q

Rectus abdominis action

A

Flexes vertebral column, compression and depress ribs

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35
Q

Pectoralis Minor action

A

Depress and protract shoulder, downward rotation (glenoid cavity moves inferiorly)

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36
Q

Serratus anterior action

A

Protraction, upward rotation (glenoid cavity moves superiorly)

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37
Q

Subclavius action

A

Depress and protract shoulder

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38
Q

Trapezius action

A

Depends on fibers - neck extension of shoulders are fixed
- upper fibers - elevation and superior rotation
- middle fibers - retraction
- lower fibers - depression and superior rotation

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39
Q

Coracobrachialis action

A

adduction and flexion of shoulder

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40
Q

Deltoid action

A

abduction of shoulder
- anterior fibers flexion , medial rotation of humerus
- posterior fibers extension and lateral rotation of humerus

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41
Q

teres major action

A

Extension and medial rotation of shoulder

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42
Q

Pectoralis Major action

A

Flexion, adduction and medial rotation of shoulder

43
Q

Supraspinatus action

A

Initiation of abduction (first 15 degrees) of arm at shoulder joint; stabilizes shoulder joint

44
Q

Infraspinatus action

A

Lateral rotation of arm at shoulder joint; stabilizes shoulder joint

45
Q

Teres minor

A

Lateral rotation of arm at shoulder; stabilizes shoulder joint

46
Q

Subscapularis action

A

Medial rotation of arm at shoulder joint; stabilizes shoulder joint

47
Q

Brachialis action

A

elbow flexion

48
Q

Biceps Brachii action

A

elbow flexion, supination

49
Q

Brachioradialis action

A

elbow flexion

50
Q

Triceps brachii action

A

elbow extension

51
Q

Anconeus action

A

elbow extension

52
Q

Flexor carpi radialis action

A

wrist flexion and abduction

53
Q

Flexor carpi ulnaris action

A

wrist flexion and adduction

54
Q

Palmaris longus action

A

wrist flexion

55
Q

Flexor digitorum superficialis action

A

flexion of wrist, metacarpal phalangeal joints (MCP), Proximal interphalangeal joints (PIP)

56
Q

Flexor digitorum profundus action

A

Flexion of wrist, distal interphalangeal joints (DIP) and proximal interphalangeal joints (PIP)

57
Q

Flexor Pollicis longus action

A

Flexion of the thumb

58
Q

Extensor carpi radialis longus action

A

Extension and abduction at wrist

59
Q

Extensor carpi radialis brevis action

A

extension and abduction at wrist

60
Q

Extensor carpi ulnaris action

A

Extension and adduction at the wrist

61
Q

Extensor digitorum action

A

extension of fingers and wrist

62
Q

Extensor Pollicis longus action

A

Extension at joints of thumb, abduction at wrist

63
Q

Extensor Pollicis brevis action

A

Extension at joints of thumb, abduction at wrist

64
Q

Extensor digiti minimi action

A

Extension at joints of little finger, extension at wrist

65
Q

Abductor Pollicis longus action

A

abduction at joints of thumb and wrist

66
Q

Extensor indicis action

A

extension and adduction at joints of index finger

67
Q

Pronator Teres action

A

pronate forearm and hand

68
Q

Pronator quadratus action

A

Pronation (medial rotation of radius)

69
Q

Supinator action

A

supinates forearm

70
Q

Gluteus maximus action

A

hip extension and lateral rotation, superior fibers abduction

71
Q

Gluteus medius action

A

abduction and medial rotation of hip

72
Q

Gluteus minimus action

A

abduction and lateral rotation of hip

73
Q

Tensor Fasciae Latae action

A

Knee extension and lateral rotation of leg thru IT tract (abduction and medial rotation of thigh-femur)

74
Q

Obturators (internus and externus) action

A

Lateral rotation and abduction of hip, maintains stability

75
Q

Piriformis action

A

lateral rotation and abduction of hip, maintain stability

76
Q

Gemelli (superior and inferior) action

A

lateral rotation and abduction of hip

77
Q

quadratus femoris action

A

Lateral rotation of hip (NO ABDUCTION)

78
Q

iliacus action

A

Flexion at hip - also helps to flex intervertebral joints (lumbar flexion)

79
Q

Psoas major action

A

flexion at hip and lumbar flexion

80
Q

Adductor Magnus action

A

adduction of hip
- anterior (flexion and MR)
- posterior (extension)

81
Q

Adductor Longus action

A

adduction, flexion and MR of hip

82
Q

Adductor brevis action

A

adduction and flexion of the hip

83
Q

Pectineus action

A

flexion and adduction of hip

84
Q

Gracilis action

A

Flexion and MR of knee, adduction and MR of hip

85
Q

Rectus Femoris action

A

knee extension, hip flexion

86
Q

Vastus intermedius action

A

knee extension

87
Q

Vastus lateralis action

A

knee extension

88
Q

Vastus medialis action

A

knee extension

89
Q

Sartorius action

A

Flexion and knee, abduction, flexion and lateral rotation at hip

90
Q

Biceps femoris action

A

knee flexion, hip extension and LR

91
Q

Semimembranosus action

A

flexion at knee, extension and MR at hip

92
Q

Semitendinosus action

A

flexion at knee, extension and MR of hip

93
Q

Popliteus action

A

MR of tibia (or lateral rotation of femur) at knee; flexion at knee

94
Q

Gastrocnemius action

A

PF at ankle + knee flexion

95
Q

Soleus action

A

PF at ankle, postural support with standing

96
Q

Plantaris action

A

PF and ankle + knee flexion

97
Q

Tibialis posterior action

A

Inversion of foot, PF of ankle

98
Q

Flexor digitorum longus action

A

Flexes toes 2-5, plantar flexes ankle

99
Q

Flexor Hallucis longus action

A

Flexion of great toe, PF ankle

100
Q

Fibularis longus action

A

Eversion and PF of ankles, arch support

101
Q

Fibularis brevis action

A

eversion of foot and plantar flexion at ankle

102
Q

Tibialis anterior action

A

DF at ankle, inversion of foot

103
Q

Extensor digitorum longus action

A

Extension of toes 2-5, DF ankle

104
Q

Extensor Hallucis longus action

A

Extension of great toe, DF ankle

CPPS 221 (3 decks)

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