In patients who have irritation of the bursa around the knee with patellofemoral pain, it is important to determine the amount of relative hamstring tightness. To assess this, we determine the “hamstring-popliteal angle”. In this test, the hip is flexed to 90° and it is important to relax the knee completely. The knee is then brought upward until the knee become tight and the angle between the thigh and calf is the hamstring-popliteal angle. This test is always compared to the contralateral side.

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