Six Pack CareSpecification of popular design as seen on tv The Total Core abs starts with a jerking motion, which causes stain on the neck, shoulders and lower back. The Total Core eliminates this first jerking motion and then guides you through a smooth, full range motion that far exceeds the

Six Pack CareSpecification of popular design as seen on tv The Total Core abs starts with a jerking motion, which causes stain on the neck, shoulders and lower back. The Total Core eliminates this first jerking motion and then guides you through a smooth, full range motion that far exceeds the range of a typical crunch while you are comfortably seated and properly supported. The secret behind Total Core is the unique, progressive resistance system that pushes  you upward with more of a  push  in the beginning of the movement when you need it most and less toward the end. But there more! Total Core turns the crunch  upside down , because on the way down, your pushing against the same unique progressive resistance, which works your lower back muscles and the  back of the core