Trapezius

Location: Back of neck to shoulder

Function: Rotates, raises, and pulls scapula medially and downward

Pecctoralis minor

Location: Under pectoralis major (upper chest)

Function: Pulls scapula forward and downward. raises ribs

Pectoralis major

Location: Upper chest

Function: Flex's, adducts, and rotates arm medially

Latissimus dorsi

Location: Back

Function: Extends, adducts, and rotates arm medially. Pulls shoulder down and back.

Deltoid

Location: Shoulder

Function: Abducts, extends, and flexes the arm

Biceps brachii

Location: Upper arm

Function: Flexes forearm and rotates hand laterally

Brachialis

Location: Upper arm (Under bicep)

Function: Flexes forearm

Brachioradiadialis

Location: Forearm near elbow

Function: Flexes forearm

Triceps brachii

Location: Back of the upper arm

Function: To extend the forearm

Supinator

Location: across the elbow pit

Function: Rotates forearm laterally supinates the hand

Flexor carpi radialis

Location: Forearm

Function: Flexes wrist and abducts the hand

Flexor digitorum superficialis

Location: Forearm

Function: Flexes the fingers

Extensor carpi radialis longus

Location: Forearm

Function: Extends the wrist and abducts the hand

Extensor Digitorum

Location: forearm

Function: extends the fingers