A knee brace includes a support module including a first body, a second body, and a hinge movably coupling the first body to the second body. The includes a pin on one of the first and second bodies, and a receptacle on the other of the first and second bodies. The receptacle is configured to receive the pin therein, such that the pin is rotatable and translatable within the receptacle. The knee brace also includes a fastener configured to releasably attach the knee brace to a leg. One of the first and second bodies couples with a first portion of the leg via the fastener, and the other of the first and second bodies couples with a second portion of the leg via the fastener. The first and second portions of the leg are separated by a knee joint of the leg.