Proximal Humeral Fractures (Shoulder Fracture) By Danielle Campagne, MD, University of California, San Francisco Reviewed / Revised Dec 2022 View Patient Education Etiology Symptoms and Signs Diagnosis Treatment Key Points Topic Resources Key anatomic landmarks in... One - and 2-part fractures... Proximal Humerus Fracture Codman exercises Proximal humeral fractures are proximal to the surgical neck (see figure Key anatomic landmarks in the proximal humerus).