Roman Chair Back Extension Machine, Height Adjustable Hyperextension Benchwith Dip Bars, Multi-Functional for Back, Core, ArmsRoman Chair Exercise Equipment: Target major muscle groups to shape your abs, back, chest, glutes, hamstrings, and core. With our back extension machine, you can perform hyperextension, side bends, reverse crunches, and dips at home. No Pain, No Gain? No Way: Our back extension machine promotes better form and more intense workouts. Thick padding comfortably cushions you with support to ensure exercise is comfortable enough to be effective. Height