Muscle Action Test

wmwillingham's version from 2016-03-30 15:36


Question Answer
Extends thigh, flexes kneeBiceps Femoris
Plantar flexes footGastrocnemius
Extends great toe, dorsiflexes footExtensor Hallucis Longus
Flex trunk on thigh; flex thigh; lateral flexion of vertebral column (psoas)Iliopsoas (iliacus & psoas major)
Complex, powerful thigh extensorGluteus Maximus
Adducts thighGracilis
Flexes, abducts & laterally rotates thigh; flexes kneeSartorius
Extends knee & flexes thigh at hipRectus Femoris
Powerful flexor of wrist; abducts handFlexor Carpi Radialis
Flexes wrist, adducts handFlexor Carpi Ulnaris
Extends and abducts wristExtensor Carpi Radialis Longus
Extends and abducts wristExtensor Carpi Ulnaris
Abducts & extends thumbAbductor Pollicis Longus
Prime mover of arm abductionDeltoid
Synergist in forearm flexionBrachioradialis
Flexion (powerful) of elbow & supination of forearm; turns the corkscrew & pulls the cork; weak arm flexorBiceps Brachii
Powerful forearm extensor; antagonist of forearm flexors (bracialis & biceps brachii)Triceps Brachii
Flexion of neck, acting independently, rotate head to shoulder on opposite sideSternocleidomastoid
Compresses abdominal contentsTransverse Abdominis
Extends head, raises, rotates & adducts scapula, shrugging shouldersTrapezius