The deltoid muscles in your shoulders help you move and stabilize your arms. Growing and strengthening your deltoids gives ...

Wall push-ups are a great exercise for working several shoulder muscles at once without putting too much pressure on them. Stand facing a wall with your arms extended and hands flat against it, ...

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 ...