US Patent 9566468 System, method, and apparatus for balance training exercise

A system for balance training exercise comprises a rigid balance board having a substantially planar top surface. First and second rails are positioned on a bottom surface of the balance board, substantially opposite each other. A nose cap is positioned on a front end of the balance board. A tail cap is positioned on a rear end of the balance board. A bottom surface of the first and second rails, the nose cap, and the tail cap are substantially co-planar. A nose stop is positioned on the nose cap and a tail stop is positioned on the tail cap, wherein the nose and tail stops extend beyond the bottom surface of the nose and tail caps, respectively. A balance device is removably positioned in contact with the bottom surface of the balance board or the bottom surface of the first and second rail, the nose cap, and the tail cap.