Lab exam 3: Actions

sternocleidomastoid Actions

neck flexion, contralateral rotation of head

scalenes Actions

elevates ribs, flexion and lateral flexion of the neck, anterior only - contralateral rotation of head, mid and posterior only - ipsilateral rotation

subclavius Actions

depression of shoulder, protraction of scapula

pectoralis minor Actions

depression, protraction, downward rotation, elevates ribs

pectoralis major Actions

flexion of shoulder, adduction of shoulder, internal rotation of shoulder

anterior deltoid Actions

abduction of shoulder, flexion of shoulder, internal rotation of shoulder

coracobrachialis Actions

flexion of shoulder, adduction of shoulder

biceps brachii short head Actions

flexion of elbow, supination

biceps brachii long head Actions

flexion of elbow, supination, flexion of shoulder

brachialis Actions

flexion of elbow

pronator quadratus Actions

pronates forearm, hand

pronator teres Actions

pronates forearm and hand, elbow flexion

flexor carpi radialis Actions

flexion of wrist, abduction of wrist - radial deviation

flexor carpi ulnaris Actions

flexion of wrist, adduction of wrist - ulnar deviation

palmaris longus Actions

flexion of wrist

flexor digitorum superficialis Actions

flexion of digits 2-5, wrist flexion

flexor digitorum profundus Actions

flexion of fingers, wrist flexion

flexor pollicis longus Actions

flexion of thumb, flexion of wrist, abduction of wrist

adductor brevis Actions

adduction of hip, flexion of hip

adductor longus Actions

adduction of hip, flexion of hip

adductor magnus Actions

adduction of hip

Pectineus Actions

adduction of hip, flexion of hip

Gracilis Actions

adduction of hip, flexion of hip, flexion of knee, internal rotation of hip

sartorius Actions

flexion at knee, flexion at hip, external rotation of hip

rectus femoris Actions

flexion of hip, extension of knee

vastus intermedius Actions

extension of knee

vastus lateralis Actions

extension of knee

vastus medialis obliquus Actions

extension of knee

tibialis anterior Actions

dorsiflexion, inversion

extensor digitorum longus Actions

toes 2-5 extension, dorsiflexion, eversion

extensor halluics longus Actions

hallucis extension, dorsiflexion, inversion

rectus abdominis Actions

lumbar/spinal flexion, lateral flexion of spine both sides, posterior pelvis rotation

external oblique Actions

lumbar/spinal flexion, lateral flexion of spine both sides, contralateral rotation of the spine

internal oblique Actions

lumbar flexion, lateral flexion of spine both sides, ipsilateral rotation of the spine

transverse abdominis Actions

forces expiration

ilio-psoas Actions

hip flexion