CSN Biol 223 Lab 6 Muscle Functions (Grouped)

Deltoid

ABducts the arm

Latissimus Dorsi

Teres Major

ADducts, extends and medially rotates arm

Pectoralis Major

ADducts, flexes, and medially rotates arm

Coracobrachialis

Flexes and aDducts the arm

Teres Minor

Infraspinatus

Lateral rotation at shoulder

Subscapularis

Medial rotation at shoulder

Supraspinatus

ABduction at shoulder

Brachialis

Brachioradialis

Biceps Brachii

(B-B-B)

Flexes the forearm

Triceps Brachii

Extends the forearm

Pronator Teres

Pronates forearm

Supinator

Supinates forearm

Palmaris Longus

Flexes hand

Flexor Carpi Ulnaris

Flexes and aDducts hand

Flexor Carpi Radialis

Flexes and aBducts hand

Flexor Digitorum Superficialis

Flexes fingers and hand

Extensor Digitorum

Extends fingers and hand

Extensor Carpi Ulnaris

Extends and aDducts hand

Iliacus

Flexes the thigh

Psoas Major

Flexes the thigh; Laterally rotates hip

Gluteus Maximus

Extends and laterally rotates thigh

Gluteus Medius

ABducts and medially rotates thigh

Piriformis

ABducts and laterally rotates thigh

Tensor Fasciae Latae

ABducts, flexes and medially rotates thigh

Adductor Longus

Pectineus

ADducts, flexes and medially rotates thigh

Adductor Magnus

ADducts and medially rotates thigh

Gracilis

Flexion at knee; Adducts and medially rotates thigh

Sartorius

Flexion at knee; Flexes and laterally rotates hip

Semimembranosus

Semitendinosus

Biceps Femoris

Flexion at knee; Extends and laterally rotates hip

Rectus Femoris

Flexes the thigh; Extends the leg

Vastus Medialis

Vastus Lateralis

Vastus Intermedius

Extends the leg

Tibialis Anterior

Dorsiflexion and inversion of foot

Tibialis Posterior

Plantar flexion of foot; Inversion and aDduction of foot

Gastrocnemius

Plantar flexion of foot; Flexes leg

Fibularis Longus

Fibularis Brevis

Plantar flexion of foot; Eversion of foot

Soleus

Plantar flexion of foot