Subcoracoid Dislocation Of The Humerus

Illustration from 'Atlas and Epitome of Traumatic Fractures and Dislocations' (by Dr. H. Helferich), 1902. The patient a man of sixty four was injured about three weeks before the skiagraph was taken. In the interim the swelling subsided so that the relations at the shoulder joint are easily recognized. The prominence of the acromion is almost angular. The arm is abducted and the outer boundary forms an obtuse angle with the vertex directed inward. The long axis of the humerus is directed toward the coracoid process instead of toward the acromion and underueath the coracoid process is an ill detined prominence the arm appears to be lengthened. The diagnosis of subcoracoid dislocation is unmistakable. (Photo by VintageMedStock/Getty Images)