A tumble, a tackle: Anything can bring on a sidelining sports injury. Now, four experts in such injuries at Penn State Health ...

Runner's knee is more common than you think! Here's what you need to know about this common condition in people who practice ...

An estimated 46 percent of American adults will develop osteoarthritis of the knee at some point. It is, by far, the most ...

Here’s the tricky thing about knee arthritis: Some don’t have symptoms, while others are consistently sidelined from ...

Juvenile idiopathic arthritis symptoms may only affect certain joints. Some children have systemic reactions, such as rash.