Otherwise supported adequately, it invariably results in varus collapse from the fracture or screw penetration in the humeral head. A nicely-positioned calcar screw, fibular strut graft or a small medial plate can prevent this complication. Tendinitis and Bursitis: Tendinitis, also called rotator cuff tendinitis, and bursitis can both trigger shoulder https://www.theorthopaedicandpainpractice.com/what-is-a-proximal-humeral-fracture/