Created in 1997 by motivational educator John Abdo, The AB Doer 360 is a fitness system used by men and women to exercise your arms, legs and abdominal. The AB Doer 360 Fitness System with 6pk Massage Roller:Targets your Core, Activates your muscles and Massages while you Exercise. It Provides an all over Full Body Workout. AB Doer 360 is the only Fitness System to use ABDOBICS, a revolutionary workout designed to work muscles & burn calories.