These symptoms could point out a serious shoulder injury or other medical problems that need to have prompt treatment. Tendinitis and Bursitis: Tendinitis, also referred to as rotator cuff tendinitis, and bursitis can both lead to shoulder pain, as inflammation of the shoulder tendons or bursae can result in distress, https://www.theorthopaedicandpainpractice.com/what-is-a-proximal-humeral-fracture/