Left Shoulder EXTENSION/FLEXION
With your arm stretched out in front of you, extend it as high above your head as possible then lower it, pushing it as far behind you as possible.
Left Shoulder ABDUCTION/ADDUCTION
With your arm at your side, extend your arm outward and upward as far away from your body as possible, then downward and inward crossing it as far in front of your body as possible.
Left shoulder ROTATION
With your arm bent at the elbow and tucked into your body in front of you, rotate your arm outward away from your body, then inward toward your body.