There's an overwhelming sense of obligation to take the court as often as possible, no matter one's health, thanks to a schedule and system Casper Ruud called a "rat race." ...

If you’re battling runner’s knee, this treadmill workout could relieve the pain and help fix the underlying problem.

And yet Ruud felt the need to play through pain for the better part of two months, right up until the moment the left knee that’s been swollen from a build-up of fluid, that’s prompted him to pop ...

Transcutaneous auricular vagus nerve stimulation may be a safe pain-relieving treatment for people with knee osteoarthritis.

Joint pain can limit your life, whether it’s caused by arthritis, a sports injury or some other health problem. Pain that ...