A proximal fracture occurs close to the shoulder joint ... the shoulder and elbow joints and provides support to the upper arm muscles. The humerus can be injured in a few different ways ...

They include: The intrinsic shoulder muscles extend from the shoulder blade (scapula) or the collarbone to the upper arm bone (humerus). Four of these muscles form the rotator cuff, which allows ...

Shoulders are, in many ways, a marvel. One shoulder has four separate joints, packed with muscles, that allow us to move our arm in eight different major ways, giving us the most degrees of freedom of ...