A knee brace having a hinge assembly comprising an upper segment; a lower segment; a middle linking segment coupled to the upper and lower segments to permit pivotal movement of the upper segment relative to the lower segment; and one or more biasing members anchored to the upper and middle linking segments to resiliently bias the upper and middle segments toward a predetermined alignment. A series of straps connected to the hinge assembly allow attachment of the knee brace to the wearer's leg.