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.

Internal rotation strengthens the subscapularis muscle, an important part of rotator cuff. Attach a resistance band to a ...

Discover three powerful shoulder-toning exercises that require just a pair of dumbbells, perfect for creating defined shoulders that look amazing in your outfit ...