A knee brace (110) comprising a frame assembly (200) comprising an outer frame portion (232, 242) and an inner frame portion (234, 244). The outer frame portion has a first outer transverse member, a second outer transverse member, and an outer side member configured to extend along a length of a first side of a user's leg when worn by the user, the outer side member extending between the first outer transverse member and the second outer transverse member. The inner frame portion has a first inner transverse member, a second inner transverse member, and an inner side member opposite the outer side member and is configured to extend along a length of a second side of a user's leg when worn by the user, the second side member extending between the first inner transverse member and the second inner transverse member. The outer frame portion and inner frame portion define a top portion (230) of the frame assembly and a bottom portion (240) of the frame assembly, the top and bottom portions configured to be pivotable relative to each other. The frame assembly additionally comprises a flex member (236) connecting the inner frame portion and the outer frame portion in at least one of the top and bottom portions of the frame assembly. In embodiments, a securement system may be included to form a knee brace assembly or system.La présente invention concerne une attelle de genou (110) comprenant un ensemble cadre (200) comprenant une partie de cadre externe (232, 242) et une partie de cadre interne (234, 244). La partie de cadre externe présente un premier élément transversal externe, un second élément transversal externe, et un élément latéral externe conçu pour s'étendre sur une longueur d'un premier côté de la jambe d'un utilisateur lors du port par l'utilisateur, l'élément latéral extérieur s'étendant entre le premier élément transversal extérieur et le second élément transversal extérieur. La partie de cadre interne comporte un premier élément transversal interne, un sec
