Patellofemoral pain syndrome (PFPS), also known as runner's knee, means that you have pain in front of the knee or around the kneecap (patella). This is where the knee connects with the lower end of ...

Brad: If it doesn't track properly, it either pulls to one side or to the other. It causes pain. And where the red tape is here is, typically, you can either have pain on the inside or medial, or the ...