Patellofemoral Pain Syndrome and Hip Strength

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INTRODUCTION
The patella is a unique structure that plays a central role in the normal biomechanics of the knee. Unfortunately the patella remains the enigma of sports medicine and sports physical therapy. Across all sports and all age, it is probabily the single most common cause of pain. 1
Patellofemoral pain syndrome is defined as retropatellar or peripatellar pain, or both, that results from physical and biomechanical changes in the patellofemoral joint.55
Patellofemoral pain syndrome is a common source of anterior knee pain in young and active individuals. It accounts for 25% to 40% of all knee pain problems in sports medicine centers. 2,3,4,5,6