Abstract: A wedge apparatus for a stirrup for reducing alleviating pain on a horseback rider's knees and ankles, the stirrup comprising a pair of opposing side bars, a hangar bar portion and a footrest bar, the wedge apparatus comprising (a) a wedge associated with the footrest bar, the wedge having a lateral portion and a medial portion, the lateral portion being thicker than and tapering toward the medial portion; (b) an impact-absorbing material; and, (c) an attachment mechanism for attaching the wedge and the impact-absorbing material to the footrest bar.