An injury or arthritis most likely causes pain outside the knee ... tendons and ligaments come together at the back and outside of your knee. The structures that help stabilize your knee and ...

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

Sometimes referred to as posterior knee pain, back knee pain is commonly caused by age-related wear and tear, although it can also be a sign of injury. Symptoms will vary depending on the cause.