To release flexion contracture to prevent buckling of the knee and to stabilize it. Also used post-operatively works to treat joint stiffness and improve range of motion. Reduces Rehabilitation time, which is a cost saving to the patients. The product is on weight bearing. Comfortable, safe and easy for patients to use. Adjustable velcro strap for easy adjustment. Suitable for skin contact, does not absorb perspiration. Can be used under trousers. Provides continuous stretching of posterior capsule of knee.