Behind-the-knee pain could be due to muscle strain or arthritis—or something far more serious. Orthopedic experts say these ...

An injury or arthritis most likely causes pain outside the knee. A doctor can determine the cause based on your other symptoms and the results of imaging tests. Pain on the outer (or lateral ...

SEATTLE — Knee pain can significantly impact your quality of life from just getting around to even disrupting your sleep. Every person has a different pain threshold, but when it comes to ...