Strength training can help you get stronger and look and feel better with just a few short sessions each week. Using deck benches, adjustable dumbbells and resistance tubes. The flat, incline, or decline seat adjustment lets you quickly add resistance and strength training to your workout. When used as a stepping deck, the natural height of eight inches is ideal for lower impact aerobics, but you can adjust the intensity by merely raising the risers to a maximum of 14 inches.