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Muscle - function Flashcards

1
Q

serratus anterior

A

stabilization
abduction
upward rotation of scapula

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2
Q

rhomboid

A

adduction
downward rotation
elevation of scapula

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3
Q

trapezius

A

upper
upward rotation
elevation of scapula

middle
upward rotation
adduction of scapula

lower
depression of scapula

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4
Q

levator scapulae

A

elevation of scapula

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5
Q

pectoralis minor

A

stabilization
depression
downward rotation
abduction of the scapula

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6
Q

pectoralis major

A 
flexion
extension
adduction
internal rotation 
horizontal adduction
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7
Q

deltoid

A

entire muscle
abduction

anterior fibers
flexion
internal rotation
horizontal adduction

posterior fibers
external rotation
horizontal abduction

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8
Q

latissimus dorsi

A

extension
adduction
horizontal abduction
internal rotation

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9
Q

rotator cuff

A

infraspinatus and teres minor
external rotation

subscapularis
internal rotation

supraspinatus
abduction

all - stability occurs the numeral head

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10
Q

teres major

A

extension
adduction
internal rotation

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11
Q

biceps brachii

A

flexion at elbow

supination at forearm

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12
Q

brachialis

A

flexion at elbow

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13
Q

brachioradialis

A

flexion at elbow

supination at forearm

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14
Q

triceps brachii

A 
extension at elbow 
arm extension (long head)
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15
Q

pronator teres

A

flexion at elbow

pronation at forearm

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16
Q

pronator quadratus

A

pronation at forearm

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17
Q

supinator

A

supination at forearm

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18
Q

flexor carpi radialis

A

flexion

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19
Q

flexor carpi ulnaris

A

flexion

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20
Q

extensor carpi radialis longus

A

extension

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21
Q

extensor carpi ulnaris

A

extension

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22
Q

palmaris longus

A

flexion

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23
Q

rectus abdominis

A

flexion

lateral flexion of the trunk

24
Q

external oblique

A

contralateral rotation
lateral flexion
forward flexion

25
internal oblique
ipsilateral rotation lateral flexion forward flexion
26
transverse abdominis
compresses abdomen
27
erector spinae
extension | lateral flexion
28
multifidi
contributes to spinal stability during trunk extension, rotation, side bending
29
Iliopsoas | iliacus, psoas major, psoas minor
flexion | external rotation
30
rectus femoris
at hip joint flexion at knee joint extension
31
gluteus maximus
extension external rotation superior fibers abduction
32
biceps femoris
at hip joint extension abduction slight external rotation at knee joint flexion external rotation
33
semitendinosus
at hip joint extension adduction slight internal rotation at knee joint flexion internal rotation
34
semimembranosus
at hip joint extension adduction slight internal rotation at knee joint flexion internal rotation
35
gluteus medius and minimus
all fibers abduction anterior fibers internal rotation posterior fibers external rotation
36
adductor magnus
adduction
37
adductor brevis and longus
adduction
38
tensor fasciae latae
flexion abduction internal rotation
39
sartorius
flexion external rotation of the hip flexion of the knee
40
pectineus
flexion adduction external rotation
41
``` deep external (lateral) rotators piriformis obturator internus obturator externus superior gemellus inferior gemellus quadratus femoris ```
external rotation
42
gracilis
at hip joint adduction at knee joint flexion
43
vastus lateralis intermedius medialis
extension
44
popliteus
knee flexion | internal rotation of lower leg to unlock knee
44
anterior tibialis
dorsiflexion at ankle | inversion at foot
45
peroneus longus
plantarflexion at ankle | eversion at foot
46
peroneus brevis
plantarflexion at ankle | ever sin at foot
47
gastrocnemius
plantarflexion at ankle | flexion at knee
48
soleus
plantarflexion at ankle
49
posterior tibialis
plantarflexion at ankle | inversion at foot
50
extensor hallucis longus
dorsiflexion inversion of foot extension of great toe
51
extensor digitorum
dorsiflexion eversion of foot extension of toes 2-5
52
peroneus tertius
dorsiflexion | eversion of foot
53
plantaris
flexion of the knee | plantarflexion of the foot
54
flexor hallucis longus
flexion of great toe plantarflexion inversion of the foot
55
flexor dogitorum longus
flexion of toes 2-5 plantarflexion inversion of foot

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