The patella rests in a very groove along with the femur called the trochlear groove. After you bend and straighten your knee, the patella moves back and forth inside of this groove. The broken bone and cartilage from the stop of your femur is Minimize absent. The top of one's femur is http://knee cap replacement https://www.theorthopaedicandpainpractice.com/knee-cap-replacement-understanding-the-basics-of-this-orthopaedic-surgery/