quadriceps rupture
The quad tendon connects the quadriceps muscle to the top of the patella (white arrow). A quadriceps tendon rupture is a devastating injury to the knee that uncommonly occurs in sports. The quadriceps tendon is the tendon that extends from the quadriceps muscle of the thigh to the top of the patella (kneecap). Overall, it is part of the lower extremityâs extensor mechanism.