Abstract: A knee brace for alleviating problems with tibia rotation and tibia desubluxation with respect to a femur of a wearer and including conventional first and second pairs of elongate braces having their respective hinges connected at their central ends and having conventional straps and harness for adjustably placing and holding the respective pairs of elongate braces and hinges at a desired attained position; characterized by the improvement comprising an anterior cuff connected with a second pair of braces below the hinges and adapted to firmly engage the leg at the inside anterior of the tibia with a wedge for preventing rotation of the tibia. In a preferred embodiment, the knee brace also includes a posterior cuff connected with the first pair of braces and adapted to engage the posterior portion of the thigh posteriorly of the femur for also preventing desubluxation of the tibia with respect to the femur.