A Depress the scapula (scapulothoracic joint)Abduct the scapula (S/T joint)Downwardly rotate the scapula (S/T joint)With the scapula fixed:Assist to elevate the thorax during forced inhalationO Third, fourth, and fifth ribsI Medial surface of coracoid process of the scapula Pectoralis minor primary actions includes stabilization, depression, abduction or protraction, internal rotation and downward rotation of the scapula Pectoralis Minor