It may break the shoulder blade, the broad, triangular bone lying across the upper back. Although this injury is uncommon, ...

Shoulder blade pain is commonly caused by a muscle strain but can also arise from rotator cuff tears, joint conditions like ...

Posterior shoulder dislocation occurs when the top of the upper arm bone, known as the humerus, moves backward out of its socket. This causes pain, muscle spasms, and a limited range of motion. The ...