The anterior deltoid muscles play a key role in many arm movements, particularly those involving lifting and pressing motions ...

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.

The deltoids are the muscles that cover the front, back and side of the shoulder joint — and they are essential for everyday movements like raising your arms, lifting a child or carrying groceries.

The are three areas of the shoulder muscles: the front, the side and the back. Now, it might sound condescending to say that a three dimensional object has sides all over, but what people often ...

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 ...