Lab 6 Muscle Functions

flexion, adduction, and medial rotation at shoulder

pectoralis major

Extension, adduction, and medial rotation at shoulder

latissimus dorsi

abduction at shoulder

Deltoid

medial rotation at shoulder

subscapularis

abduction at shoulder

supraspinatus

lateral rotation at shoulder

infraspinatus

lateral rotation at shoulder

teres minor

extension, adduction, and medial rotation at shoulder

Teres major

adduction and flexion at shoulder

coracobrachialis

flexion at elbow and shoulder supination

biceps brachii

flexion at elbow

brachialis

flexion at elbow

brachioradialis

extension at elbow

triceps brachii

pronation of forearm

pronator teres

supination of forearm

supinator

flexion and abduction at wrist

flexor carpi radialis

flexion at wrist

palmaris longus

flexion and adduction at wrist

flexor carpi ulnaris

flexion of finger joints and wrist

flexor digitorum superficialis

extension at finger joints and wrist

extensor digitorum

extension and adduction at wrist

extensor carpi ulnaris

flexion at hip

psoas major

flexion at hip

iliacus

extension and lateral rotation at hip

gluteus maximus

abduction and medial rotation at hip

gluteus medius

flexes hip, abducts and medially rotates thigh

tensor fasciae latae

adduction, flexion, and medial rotation at hip

adductor longus

adduction at hip

adductor magnus

flexion, medial rotation, and adduction at hip

pectineus

flexion at knee, adduction and medial rotation at hip

gracilis

flexion at knee, extends and laterally rotates hip

biceps femoris

flexion at knee, extend and medially rotate hip

semitendinosus

flexion at knee, extend and medially rotate hip

semimembranosus

extension at knee, flexion at hip

rectus femoris

extension at knee

vastus lateralis

extension at knee

vastus medialis

extension at knee

vastus intermedius

flexion at knee, flex and laterally rotate hip

Sartorius

dorsiflexion at ankle, inversion of foot

tibialis anterior

eversion of foot, plantar flexion at ankle

fibularis longus

plantar flexion at ankle, inversion of foot, flexion at knee

gastrocnemius

plantar flexion at ankle

soleus

adduction and inversion of foot, plantar flexion at ankle

tibialis posterior