Without having to rely on the work of the quadriceps muscle. Some patients may require a hand placed in front of the thighs to help press the lock knee to stretch the leg movements while body weight.
Without relying on the work of muscles quadriceps. Some patients may need only place the thighs to help push lock him in a stretched position while the leg is the weight.
Without relying on muscle function quadriceps. Some patients may need to use place to help press the lock thigh knee in a position that leg stretch while loading.