A case of aseptic necrosis of the medial segment of the clavicle with X-ray images of fragmentation and few clinical symptoms is presented. This condition develops spontaneously and leads to early sternoclavicular osteoarthritis. The benign nature of the disease and the absence of treatment make it important to establish the correct diagnosis, differentiating it from other disorders in this area.

Study Design: Case control group study. Objectives: To compare scapular position and orientation between baseball players with and without pathologic internal impingement. Background: Scapular dysfunction has been implicated as a contributor to throwing-related pathologic internal impingement of the shoulder due to its role in increasing the contact between the greater tuberosity and posterior-...

BACKGROUND Surgical repair of an atraumatic spontaneous anterior subluxation of the sternoclavicular joint (herein referred to as the "SCJ") is often associated with poor outcome expectations. With traditional treatment, successful conservative therapy usually incorporates major lifestyle alterations. This manuscript discusses a novel approach known as "microperforation prolotherapy". To illust...