2 Shoulder ComplexThe Glenohumeral joint is the most mobile joint in the body. The shoulder complex consists of the scapula, clavicle, sternum, humerus and rib cage. The joints involved in the shoulder complex are the sternoclavicular joint, acromioclavicular joint, glenohumeral joint and scapulothoracic articulation.The shoulder girdle is defined as the scapula and clavicle. The shoulder joint is the articulation between the scapula and humerus at the glenoid fossa.
3 Shoulder ComplexMotions available at the shoulder joint are flexion, extension, hyperextension, abduction, adduction, medial and lateral rotation, horizontal abduction and horizontal adduction.
4 Muscles of the Shoulder Joint DeltoidSupraspinatusPectoralis majorLatissiumus dorsiTeres majorInfraspinatusTeres minorSubscapularisCoracobrachialisBiceps brachiiTriceps brachii (long head)
18 Teres Major O: Axillary border of scapula near the inferior angle I: Crest below lesser tubercle next to the latissimus dorsi muscle attachmentA: Shoulder extension, adduction and medial rotationN: Subscapular nerve (C5, C6)