You will discover massive blood vessels passing in the spot driving the knee (referred to as the popliteal Area). The big muscles in the thigh go the knee. From the entrance of the thigh, the quadriceps muscles lengthen the knee joint. At the back of the thigh, the hamstring muscles https://www.theorthopaedicandpainpractice.com/what-is-an-anterior-cruciate-ligament-acl-injury/