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, ...

Flexion of the shoulder joint occurs when the humerus (upper arm) moves forwards from ... Ball and socket joints also allow types of movement called abduction, adduction, rotation and circumduction.

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 ...