Knee is that largest joint in the body. The knee is located at the juncture of three bones, the femur, the tibia and the patella. The femur (the upper leg bone) and the tibia (the shinbone) are connected by the anterior and posterior cruciate ligaments. The joint is cushioned by the meniscus, a tough cartilage material, during movement. The patella (or kneecap) is a small bone, encased in tendons, that glides up and down in the groove on the top of the femur when the knee is flexed and extended. Knee can not only bend and flex, it can twist and rotate.
Degeneration of the joint can occur as a result of trauma or from wear and tear over time. Whatever the