A small chest muscle which allows the shoulder to be depressed.
Thin, triangular muscle of the upper chest, beneath the pectoralis major, that functions to draw the shoulder down and forward.
Homosexual anal intercourse, especially that between a man and a young boy who is the passive partner.
A muscle beneath the pectoralis major, attached to the coracoid process of the scapula that depresses as well as causes anterior tipping of the scapula.
Muscles of the chest that assist the swinging movements of the arm.