The revolutionary AB coaster put you to fast track to great abs.Just kneel on the comfortable carriage and pull your nees up .As you lift ,the knee carrige glides along the biometrically designed curres track ,engaging your lower abs first ,then the middle and upper region ,giving you a complete abdominal workout .The device also promotes core stabilization by isolating the abdominal region and virtually eliminating any hip flexor involvement.Don't hesitate ,see what you get from it.
