The patella rests in a groove along with the femur known as the trochlear groove. When you bend and straighten your knee, the patella moves backwards and forwards inside this groove. This differs from a total knee replacement, during which bone and cartilage from all the joint are changed. Dysplasia occurs when https://front-hip-pain-treatment12098.blogdal.com/34603751/the-best-side-of-knee-cap-replacement