The patella rests inside of a groove on top of the femur called the trochlear groove. When you bend and straighten your knee, the patella moves back and forth inside this groove. Medical procedures is an option when nonsurgical cure has failed. Several forms of surgical procedures are offered. If you get http://knee cap replacement https://www.theorthopaedicandpainpractice.com/knee-cap-replacement-understanding-the-basics-of-this-orthopaedic-surgery/