Understanding Arm Anatomy Before diving ... and range of motion throughout each movement. Ignoring Recovery Needs: Neglecting ...

Outward arm action in a jumping jack Rotator cuffs A group of stabilising muscles of the shoulder which helps to prevent dislocation and allows the shoulder to rotate the humerus around its own ...

Each role is vital to proper arm function and can only occur when the anatomy ... as muscle weakness and inflexibility can alter the roles of the scapula and alter scapular resting position and/or ...

Key fact One way to remember which muscle is the agonist – it's the one that's in 'agony' when you are doing the movement as it is the one that is doing all the work. For example, when you ...