Patellofemoral pain syndrome (PFPS) is a common cause of knee pain. It happens when the area at the front of the knee, behind the kneecap, becomes overloaded. Share on Pinterest FreshSplash/Getty ...
If you have not already done so, you may want to watch What Is Causing Your Knee Pain? Patellofemoral Pain Syndrome or Kneecap Pain? How to tell? This is a six-week program of strengthening exercises ...