The deltoids are comprised of three parts: These fibers cover the upper ... enhancing the mobility and strength of the shoulder and upper body overall, while also improving your physique.

Your shoulders are two of the most important muscles in your upper body. Get them stronger with these moves. “Your shoulders are made up of three deltoid ‘heads’ – anterior (front), medial ...

Deltoid Abduction of the shoulder (moving the arm outwards and away from the body) Outward arm action in a jumping jack Rotator cuffs A group of stabilising muscles of the shoulder which helps to ...