Core Max Ab Machine
Core Max is scientifically designed to combine 8 muscle-toning exercises that can be done in 8 minutes a day into one amazingly effective machine! Ordinary crunches only let you work on the way up and can strain. Core Max's amazing fast track technology and it's hidden power-assisted spring assist you in both directions, just like a personal trainer, targeting your upper, middle, lower abs and obliques. So you get double the workout in less time.The tension-assisted rebound system provides resistance & support in both directions, maximizing results & minimizing strain. Core Max Ab Machine