trapezius
biceps brachii
deltoid
levator scapulae
sternocleidomastoid
latissimus dorsi
pectoralis major
flexor carpi radialis and ulnaris
rectus abdominis
triceps brachii
flexes, adducts, and medially rotates humerus
extends and laterally flexes the neck.
ant. fibers flex and medially rotate arm, lat. fibers abduct the arm, post. fibers extend and laterally rotate the arm
flexes wrist anteriorly
extends elbow
rotates head left and right. bilaterally draws head forward and down.
flexes waist and compresses abdominal viscera
adducts and medially rotates humerus, extends the shoulder joint
elbow flexion, forearm supination.
elevates scapula if cervical vertebrae are fixed., flexes neck laterally when scapula is fixed.