Racket sports are a great way to get a workout, but they’re not without risk. Here’s how to protect your muscles and joints.

Tennis instructor and analyst John Yandell has found that, on average, a 120-mph serve slows to 82 mph before the bounce, then to 65 mph after the bounce, and finally to 55 mph at the opponent's ...

Objectives: The purpose of this study was to generate population and age-specific descriptive profiles of concentric isokinetic knee extension and flexion strength in elite junior tennis players, and ...

Hinge joints allow flexion and extension only ... This occurs at the shoulder joint during an overarm tennis serve or cricket bowl. Rotation – this is where the limb turns round its long ...

Flexion – bending a joint ... 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 ...