greater tubercle of humerus intertubercular groove of humerus lesser tubercle of humerus shaft of humerus infraspinous fossa of scapula coracoid process of scapula superior angle of scapula inferior angle of scapula sternal end of clavicle acromion of scapula glenohumeral ligament glenohumeral ligament coracohumeral ligament acromioclavicular ligament coraco-acromial ligament coraco-clavicular ligaments coraco-clavicular ligaments