Shoulder X-ray This webpage presents the anatomical structures found on shoulder X-ray. Shoulder X-ray, AP projection 1, Clavicle. 2, Acromion. 3, Greater tubercle. 4, Lesser tubercle. 5, Neck of the humerus 6, Humerus. 7, Coracoid Process. 8, Scapula 9, Rib. Arrow, Glenohumeral joint space. Shoulder X-ray: lateral view 1 Coracoid Process. 2 Clavicle. 3 Acromion. 4 Humeral head. 5 Humerus. 6 Scapula (Axillary border of scapula)