muscles forearm

Triceps brachii

powerful forearm extensor; antagonist of forearm flexors ( brachialis and biceps brachii

Anconeus

abducts ulna during forearm pronation; extends elbow

Biceps brachii

flexion powerful of elbow and supination of forearm; it turns the corkscrew and pulls and cork ; weak arm flexor

Brachioradialis

synergist in forearm flexion

Brachialis

a major flexor of forearm

Pronator teres

acts synergistically with pronator quadratus to pronate forearm; weak arm flexor

Flexor carpi radialis

powerful flexor of wrist; abducts hand

Palmaris longus

flexes wrist weak; tenses skin and fascia of palm

Flexor carpi ulnaris

powerful flexor of wrist; adducts hand

Flexor digitorum superficialis

flexes wrist and middle phalanges of finger 2-5

Extensor carpi radialis longus

extends and abducts wrist

Extensor carpi radialis brevis

extends and abducts wrist; steadies wrist during finger flexion

Extensor digitorum

prime mover of finger extension; extends wrist; can flare abduct fingers

Extensor carpi ulnaris

extends and adducts the wrist