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