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CPPS 221 > Musculature actions > Flashcards

Musculature actions Flashcards

(104 cards)

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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
Levator Scapulae action
Elevates scapula
26
Rhomboid Major action
Adducts and performs downward rotation of scapula
27
Rhomboid Minor action
Adducts and downward rotation of scapula
28
Erector Spinae action
Together: back extension Unilateral - neck and spine lateral flexion
29
Multifidus action
Extends vertebral column and rotates toward opposite side
30
Rotatores action
Extends vertebral column and rotates toward opposite side
31
interspinales action
Extends vertebral column
32
External oblique action
Compresses, rotates opposite side
33
Internal oblique action
Compresses, rotates same side
34
Rectus abdominis action
Flexes vertebral column, compression and depress ribs
35
Pectoralis Minor action
Depress and protract shoulder, downward rotation (glenoid cavity moves inferiorly)
36
Serratus anterior action
Protraction, upward rotation (glenoid cavity moves superiorly)
37
Subclavius action
Depress and protract shoulder
38
Trapezius action
Depends on fibers - neck extension of shoulders are fixed - upper fibers - elevation and superior rotation - middle fibers - retraction - lower fibers - depression and superior rotation
39
Coracobrachialis action
adduction and flexion of shoulder
40
Deltoid action
abduction of shoulder - anterior fibers flexion , medial rotation of humerus - posterior fibers extension and lateral rotation of humerus
41
teres major action
Extension and medial rotation of shoulder
42
Pectoralis Major action
Flexion, adduction and medial rotation of shoulder
43
Supraspinatus action
Initiation of abduction (first 15 degrees) of arm at shoulder joint; stabilizes shoulder joint
44
Infraspinatus action
Lateral rotation of arm at shoulder joint; stabilizes shoulder joint
45
Teres minor
Lateral rotation of arm at shoulder; stabilizes shoulder joint
46
Subscapularis action
Medial rotation of arm at shoulder joint; stabilizes shoulder joint
47
Brachialis action
elbow flexion
48
Biceps Brachii action
elbow flexion, supination
49
Brachioradialis action
elbow flexion
50
Triceps brachii action
elbow extension
51
Anconeus action
elbow extension
52
Flexor carpi radialis action
wrist flexion and abduction
53
Flexor carpi ulnaris action
wrist flexion and adduction
54
Palmaris longus action
wrist flexion
55
Flexor digitorum superficialis action
flexion of wrist, metacarpal phalangeal joints (MCP), Proximal interphalangeal joints (PIP)
56
Flexor digitorum profundus action
Flexion of wrist, distal interphalangeal joints (DIP) and proximal interphalangeal joints (PIP)
57
Flexor Pollicis longus action
Flexion of the thumb
58
Extensor carpi radialis longus action
Extension and abduction at wrist
59
Extensor carpi radialis brevis action
extension and abduction at wrist
60
Extensor carpi ulnaris action
Extension and adduction at the wrist
61
Extensor digitorum action
extension of fingers and wrist
62
Extensor Pollicis longus action
Extension at joints of thumb, abduction at wrist
63
Extensor Pollicis brevis action
Extension at joints of thumb, abduction at wrist
64
Extensor digiti minimi action
Extension at joints of little finger, extension at wrist
65
Abductor Pollicis longus action
abduction at joints of thumb and wrist
66
Extensor indicis action
extension and adduction at joints of index finger
67
Pronator Teres action
pronate forearm and hand
68
Pronator quadratus action
Pronation (medial rotation of radius)
69
Supinator action
supinates forearm
70
Gluteus maximus action
hip extension and lateral rotation, superior fibers abduction
71
Gluteus medius action
abduction and medial rotation of hip
72
Gluteus minimus action
abduction and lateral rotation of hip
73
Tensor Fasciae Latae action
Knee extension and lateral rotation of leg thru IT tract (abduction and medial rotation of thigh-femur)
74
Obturators (internus and externus) action
Lateral rotation and abduction of hip, maintains stability
75
Piriformis action
lateral rotation and abduction of hip, maintain stability
76
Gemelli (superior and inferior) action
lateral rotation and abduction of hip
77
quadratus femoris action
Lateral rotation of hip (NO ABDUCTION)
78
iliacus action
Flexion at hip - also helps to flex intervertebral joints (lumbar flexion)
79
Psoas major action
flexion at hip and lumbar flexion
80
Adductor Magnus action
adduction of hip - anterior (flexion and MR) - posterior (extension)
81
Adductor Longus action
adduction, flexion and MR of hip
82
Adductor brevis action
adduction and flexion of the hip
83
Pectineus action
flexion and adduction of hip
84
Gracilis action
Flexion and MR of knee, adduction and MR of hip
85
Rectus Femoris action
knee extension, hip flexion
86
Vastus intermedius action
knee extension
87
Vastus lateralis action
knee extension
88
Vastus medialis action
knee extension
89
Sartorius action
Flexion and knee, abduction, flexion and lateral rotation at hip
90
Biceps femoris action
knee flexion, hip extension and LR
91
Semimembranosus action
flexion at knee, extension and MR at hip
92
Semitendinosus action
flexion at knee, extension and MR of hip
93
Popliteus action
MR of tibia (or lateral rotation of femur) at knee; flexion at knee
94
Gastrocnemius action
PF at ankle + knee flexion
95
Soleus action
PF at ankle, postural support with standing
96
Plantaris action
PF and ankle + knee flexion
97
Tibialis posterior action
Inversion of foot, PF of ankle
98
Flexor digitorum longus action
Flexes toes 2-5, plantar flexes ankle
99
Flexor Hallucis longus action
Flexion of great toe, PF ankle
100
Fibularis longus action
Eversion and PF of ankles, arch support
101
Fibularis brevis action
eversion of foot and plantar flexion at ankle
102
Tibialis anterior action
DF at ankle, inversion of foot
103
Extensor digitorum longus action
Extension of toes 2-5, DF ankle
104
Extensor Hallucis longus action
Extension of great toe, DF ankle

CPPS 221 (3 decks)

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