One more factor predisposing individuals to patellofemoral arthritis is too much hip anteversion (also referred to as femoral anteversion), a affliction wherein the neck in the femur rotates way too considerably forward in the hip socket, resulting in added lateral (sideways) pull around the patella. Knee cap replacement is ideal http://knee cap replacement https://www.theorthopaedicandpainpractice.com/knee-cap-replacement-understanding-the-basics-of-this-orthopaedic-surgery/