We assessed BRT for @ different commonly used knee braces ( right leg ) used in @ different settings : without a knee brace ( control group ) ; with a typical postoperative knee brace with adjustable range of motion ( ROM ) and the settings of @ to @ , @ to @ , @ to @ , and @ to @ ( extension and flexion ) ; and with an unloading knee brace for moderate to severe unicompartmental osteoarthritis , an orthosis for ligament instabilities , a knee brace for patellofemoral disorders , and an elastic knee bandage .