Snapping knee caused by the gracilis tendon: A case report with an anatomical…

We report the case of a patient exhibiting the snapping phenomenon during flexion/extension motion caused by the gracilis tendon flipping over the posteromedial corner of the medial femoral condyle. A 30-year-old woman presented with a 2-year history of pain accompanied by snapping over the medial aspect of the left knee. Snapping was observed at the posteromedial corner of the medial femoral c…