All that slipping and sliding on tennis courts prevents injuries: A biomechanics expert explains how
Evidence has been available for decades to suggest that players have fewer knee problems if they play on clay courts rather than hard surfaces over their careers.
Get in shape for tennis and other racquet sports
By practicing a pregame plan for these strenuous workouts, you'll be less likely to experience injuries that could leave you sidelined.
What to know about MCL tears
A tear to the medial collateral ligament in the knee can cause pain, swelling, and a lack of stability in the knee. Treatment is usually with ice, a knee brace, and physical therapy. Surgery may be necessary in rare cases.
One-Third of U.S. Kids Have Back Pain, Study Says
One in three between the ages of 10 and 18 said they had backaches in the past year, according to a survey of about 3,700 youngsters. The incidence rose along with kids' age and weight and was higher among those who play competitive sports.
What makes joints pop and crack and is it a sign of disease?
Joints emit a variety of noises, including popping, snapping, catching, clicking, grinding, grating and clunking. The technical term for these noises is "crepitus", from the Latin "to rattle".