The shoulder joint is a large and complex ball and socket joint formed by the humerus and the scapula (glenohumeral joint) while the clavicle join the acromion to form the acromioclavicular joint.
The shoulder joint is the most mobile joint in the human body on cost of instability. Lot of elements share to compensate the instability such as rotator cuff muscles, tendons and ligaments as well as the glenoid labrum.
This model is created from a CT scan while the joint is in abduction and shows parts of the related ribs.
This 3D model was created from the file STS_044. The source CT scan used to create this model can be found here.