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.

San Francisco 49ers running back Christian McCaffrey could be done for the season after just four games. As head coach Kyle ...

Knee pain can be a frustrating part of life for many, whether due to long hours on your feet, high heels, or an energetic workout routine. Those sudden aches or persistent stiffness in your knees ...