Your deltoid is a large, triangle-shaped muscle that supports the movement and stability of the shoulder joint. This muscle covers the upper arm and forms the rounded contour of the shoulder.

Stretching the posterior portion of your shoulder is ... When to get medical attention If you have an untreated injury or chronic shoulder pain, stretching may not help. It could even make the ...

stanford.edu Shoulder pain is a common complaint in overhead athletes, and superior labrum anterior posterior (SLAP) lesions are a common cause of this pain. The pathological cascade which results in ...