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