Muscles of the Upper Body Pt.2

Biceps brachii (anterior)

Action of biceps brachii

Flexes the forearm

Brachialis (anterior; on same side as thumb)

Action of brachialis

Flexes the forearm

Brachioradialis (on same side as thumb) (anterior)

Action of brachioradialis

Flexes the forearm

Triceps brachii long head (anterior)

Action of triceps brachii long head

Extends the forearm

Triceps brachii lateral head (anterior)

Action of triceps brachii lateral head

extends the forearm

Triceps brachii medial head (anterior)

Action of triceps brachii medial head

extends the forearm

Pronator teres (anterior)

Action of pronator teres

Pronates the forearm

Flexor carpi radialis (anterior)

Action of flexor carpi radialis

flexes and abducts the hand

Palmaris longus (anterior)

Action of palmaris longus

Flexes the hand

Flexor carpi ulnaris (on pinky side) (anterior)

Action of flexor carpi ulnaris

flexes and aDDucts the hand

Flexor digitorum (anterior)

Action of flexor digitorum (on either side of palmaris longus)

Flexes the fingers

Extensor carpi radialis longus (posterior)

Action of Extensor carpi radialis longus

extends and abducts the hand

Extensor carpi radialis brevis (posterior)

Action of Extensor carpi radialis brevis

extends and abducts the hand

Extensor digitorum (posterior)

Action of extensor digitorum

extends the fingers

Extensor carpi ulnaris (posterior)

Action of extensor carpi ulnaris

extends and aDducts hand

Supinator (posterior)

Action of supinator

Supinates the forearm