The patent is still pending, but the CoreP.A.D.™ is now available. Mastery level students have been asking for the CoreP.A.D.™ ever since it was introduced at an RTSM Spine and Trunk module in 2006. The P.A.D. (Progressive Abdominal Device™) allows the exercise professional to employ the RTS® principle of MicroProgression® to trunk exercises most notably to crunches. Instead of leaping from crunches on the floor to a ball, the CoreP.A.D.™ allows incremental increases in the starting position of extension before moving to an unstable surface. The CoreP.A.D.™ is available now by calling RTS®... and will soon be available for purchase on this site.