Recumbent exercise bikes, which put users in a slightly reclined position, place less stress on the back and knees but tend to cost more. Some people find the position and motion uncomfortable if they are in good physical shape. Some stomachs have a small curve, and all the crunches in the world won't change that. However, the exercises and equipment discussed below will help tone, strengthen and define your abdominal muscles. Once physical training has become a habit... buy home exercise equipment finds its way into garages, closets and basements with the closing comments... "That thing didn't work." As a matter of fact... you should not start using home exercise equipment because they took a good hard look in the mirror and didn't like what they saw... or they assessed their physical abilities and found them lacking. Consider Your Choices When looking for an elliptical trainer that allows you adjust the stride length to suit your own body style and stride length. As a matter of fact... you should not start using home exercise equipment to those that want it but cannot