One more component predisposing people to patellofemoral arthritis is excessive hip anteversion (also referred to as femoral anteversion), a situation where the neck of your femur rotates much too far ahead during the hip socket, causing more lateral (sideways) pull on the patella. People with osteoarthritis only in a single http://knee cap replacement https://www.theorthopaedicandpainpractice.com/knee-cap-replacement-understanding-the-basics-of-this-orthopaedic-surgery/