Aqua Creek's Elly Pool Elliptical from IndeMedical.com combines the benefits of rowing, cross-country skiing, stepping and biking. It works virtually every muscle in the body. The secret lies in the elliptical movement designed to replicate the natural motion of running while preventing impact on joints. Elly offers users smooth movement through sealed ball bearings. The resistance is increased by lever arms with wide blades. The brushed steel finish can withstand harsh pool environments and requires little maintenance. The lightweight design and attached wheels make transportation a breeze.