This occurs at the shoulder joint during an overarm tennis serve. Rotation – this is where the limb moves in a circular movement around a fixed joint towards or away from the midline of the body.

This occurs at the shoulder joint during an overarm tennis serve. Rotation – this is where the limb moves in a circular movement around a fixed joint towards or away from the midline of the body.

Wall push-ups are a great exercise for working several shoulder muscles at once without putting too much pressure on them.

Dr Jagadish Hiremath, a public health intellectual, says, “This seemingly innocuous movement reveals much about the complexity of the human body’s anatomy, flexibility, and musculoskeletal health.” ...