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Muscle Actions.
Anatomy
Question | Answer |
---|---|
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 |