Ball and socket joints also allow flexion and extension. Flexion of the shoulder joint occurs when the humerus (upper arm) moves forwards from the rest of the body, which happens at the end of an ...

Flexion – bending a joint ... Circumduction – this is where the limb moves in a circle. This occurs at the shoulder joint during an overarm tennis serve. Rotation – this is where the ...

and back of your shoulder joint. Anterior or front deltoid — responsible for shoulder flexion. Lateral, medial, or side ...