Different types of workout.Perfect for those with back problem.Get relaxing upper body stretch Six Pack Fitness, Full Abdominal, crunch and Sit-Up Exerciser - Lean Body Maximizer. 10 in 1 Mini Home Gym Arm Straps and Head Rest Included - 2 Resistance Straps + 6 Resistance Springs Adjustable in Length between 45" to 54" ab Trainer for Abdomen Support Men & Women With cushioned and massaging back support , giving a more comfortable useWhy the abdominal trainer, what can it do for you? Actually, you should be asking what it can't do for you. Bond with it as you venture on a journey to the land of fitness, where lies the hidden key to a better living Allows 20 different types of workout, Perfect for those with back problem