A leg support is adapted to be secured to a leg. The leg support includes an elongate and continuous strut having first and second rigid or semi-rigid segments, and a flexible middle segment located therebetween. The strut is arranged for securing to a posterior side of a leg and is centrally located along a medial-lateral plane of a leg. A resilient device is secured to the strut against a first surface thereof and extends across a length of the middle strut segment whereby the resilient device is configured to assist and resist certain movements of a leg. A coupling arrangement is arranged to be secured to footwear.