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

The posterolateral corner (PLC) is the area where several tendons and ligaments come together at the back and outside of your knee. The structures that help stabilize your knee and make up the PLC ...

Medically reviewed by Scott Zashin, MD Knee pain at night is a common condition caused by injury, arthritis, bursitis, gout, and more. When it happens at bedtime, it can also lead to insomnia, which ...

Knee pain while running is often due to runner's knee, IT band syndrome, and knee bursitis. Most running-related knee injuries are the result of increasing your mileage or pace too quickly.