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The Ab Doer Twist is a revolutionary machine that will allow you to workout your core muscles while you sit. It uses the new 360 degree approach to total body fitness, which is a new muscle toning and aerobic training method which will give you a total-body workout in a sited position. You can workout your entire core and get that six pack you've always wanted. Watch the Ab Doer Twist infomercial as seen on HSN to learn more about this product and how it can help you get in shape.