A knee brace including upper and lower pairs of struts articulately interconnected by two ligaments respectively located inside two joint capsules, wherein the upper and lower pairs of struts are respectively removably connected to opposite ends of the two ligaments by upper and lower removable fasteners located inside the two joint capsules, and wherein each joint capsule has a hole to access one of the upper and lower fasteners thereby allowing each of the upper and lower pairs of struts to be disconnected from one another by a single fastener.