eHUPOO Core Strength & Abdominal Exercise Trainers, Abdominal Training Machi... $89.98 Make sure this fits by entering your model number. USA Patented.Multi Functional Core & Abdominal Trainers.Designed for whole body muscle toning and muscle building, allow you to workout your whole body muscle groups, including your abdominal muscle, upper, middle &lower abdomen back triceps, biceps obliques , thighs, gluts, calves, forearms, pectoralis major. Perfect for muscle building, burning calories &cellulite reduction, improving circulation and boost metabolism, building good body shape and improving the health level of your whole body . Highly Adjustable Resistance. Designed with upgraded power-assisted spring system, providing adjustable resistance and powerful support for different directions. Allow you to customize your workout intensity and change with 3 adjustable resistance levels, target a variety of muscle groups of your body, maximizing the workout result with the highest comfort.