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Muscle Actions.

Anatomy

QuestionAnswer
action is to elevate/depress, retract, and upwardly rotate scapula trapezius
action is to retract, downward rotate scapula rhomboids
action is to extend, adduct, rotate humerus latissimus dorsi
flex, adduct, rotate humerus pectoralis major
protracts and rotates scapula serratus anterior
abduct, flex/extend arm deltoid
extend, adduct, rotate humerus teres major
flex and supinate forearm; LH can also flex arm biceps brachii
flex forearm brachialis
extend forearm triceps brachii
pronate and flex forearm pronator teres
flex and radial deviation flexor carpi radialis
flex wrist and proximal phalanges flexor digitorum superficialis
flex and ulnar deviation flexor carpi ulnaris
flex wrist and distal phalanges flexor digitorum profundus
flex forearm brachioradialis
extends and radial deviates extensor carpi radialis
extends wrist and phalanges extensor digitorum
extend and ulnar deviation extensor carpi ulnaris
hold head of humerus in glenoid fossa rotator cuff
flex hip, flex torso iliopsoas
extend, abduct thigh gluteus maximus
abduct thigh(2) gluteus medius and gluteus minimus
extend knee and flexes hip rectus femoris
extend knee(3) vastus lateralis, medialis, and intermedius
flex, abduct, laterally rotate thigh, flex knee sartorius
adduct thigh, flex knee gracilis
adduct, flex thigh adductor longus
adduct, flex and extend thigh adductor magnus
flex knee, extend thigh(3) biceps femoris, semimembranosis, semitendinosis
plantar flexion, flex knee gastrocnemius
plantar flexion soleus
inversion and plantar flexion tibialis posterior
dorsi flexion and inversion tibialis anterior
eversion and plantar flexion fibularis longus and brevis
elevate mandible temporalis
elevate mandible; moves mandible medio-laterally masseter
Created by: alexadianna
 

 



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