The most frequently reported causes of snapping knee syndrome are related to abnormalities of the meniscus, biceps femoris tendon, gracilis and semitendinosus tendons. The present report describes a case of snapping in the posterior-medial corner of the knee related to the myotendinous junction of the sartorius muscle in a 58-year-old male patient with knee hyperextension.
Joint; Knee; Sartorius muscle; Snapping; Ultrasonography
