Hold the stretch, lower your foot, and repeat with the other leg. Research indicates that weakness in your quadriceps muscle may lead to patellar misalignment and PFPS. Working to strengthen your quad ...

Patellofemoral stress syndrome (PFSS) is a type of overuse injury that causes pain in the soft tissues and bone in the front of the knee. Also known as "runner's knee" or "jumper's knee," PFSS ...