Elliptical trainers are the latest craze in home fitness equipment. A power rod machine uses flexible rods of varying stiffness connected to a cable and pulley system. When the cables are attached to different rods the user can either increase or decrease the resistance they will experience. Power rod equipment typically requires less space than a traditional home gym and is usually less expensive. The materials are not as durable, though, and this type of financing is, so you don't pay crazy amounts of interest. Once you have assessed your needs and situation, you can evaluate the different types of ab exercisers and equipment. One of the most effective of these, the Roman Chair, is not strictly an ab machine. It is a common piece of equipment found at the gym but it can be used to perform a very effective ab exercise. The Roman Chair is a somewhat taller machine with two stationary, parallel arms and a straight, padded back. There is nothing to sit on. Before purchasing an exercise bike, treadmill or other type of