These muscles pass from the scapula to the humerus and act on the glenohumeral joint. Not included here is the deltoid.
Reproduced with permission from: Clinically Oriented Anatomy, 7th ed, Moore KL, Agur AM, Dalley AF (Eds), Lippincott Williams & Wilkins, Philadelphia 2013. Copyright © 2013 Lippincott Williams & Wilkins.
www.lww.com.