1 INTRODUCTION Snapping at the lateral knee can be caused by a variety of pathologies involving surrounding soft tissue structures such as the popliteus, semitendinosus and/or gracilis tendons, IT Band syndrome, lateral meniscus tears, or rheumatoid nodules.1-4 In rare instances, snapping lateral knee pain may also be caused by the distal tendon of the biceps femoris long head shifting over the fibular head.5, 6 Regardless, the various differential diagnoses should be properly ruled out by a...