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 ...
A pinched nerve can cause the radiating pain that you have described. It can also result in a dull ache in the pelvis and buttocks, numbness or sharp tingling that extends down the hip, muscle ...