Patellofemoral arthritis takes place if the articular cartilage along the trochlear groove and within the underside on the patella wears down and gets to be inflamed. X-rays. X-rays provide illustrations or photos of dense buildings, like bone. Your medical doctor will purchase X-rays from a number of various angles to http://knee cap replacement https://www.theorthopaedicandpainpractice.com/knee-cap-replacement-understanding-the-basics-of-this-orthopaedic-surgery/