Designing a rehabilitation program for the patellofemoral joint requires a thorough knowledge of its biomechanics and pathomechanics. Patellofemoral joint reaction force is directly related to quadriceps tendon force and the angle of knee flexion. Quadriceps tendon force differs greatly between functional closed-chain activities and open-chain strengthening exercises. Lateral tracking of the patella is the primary cause of dysfunction. Rehabilitation is started with reduction of inflammation and pain. Progressive training and strengthening of vastus medialis oblique function with closed-chain exercises is the hallmark of the treatment program. These exercises are complemented by stretching of tight lateral structures and correcting static and dynamic malalignment. It is important that the physician and therapist work closely together to provide a coordinated program specific for each individual patient.
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