Several companies manufactur exercise bikes, and schwinn's bikes provide maximum amount of versatility compared to other exercise bikes.

• Pre-programmed workouts

• Powered by pedaling so you don't have to plug it in, where kinetic energy (pedalling) is converted to potential energy, which is then converted to electrical (display)

Some bikes are designed such that the unit accomodates to your body mechanics as you utilize it more and more. This is called an 'auto-adjustment' unit, where the machine is 'smart' and knows how much to push you as you use it more and more - very cutting edge capabilites in today's machines. Anyone can use these bikes irregardless of age, activity level and to a lesser extent, injury status. Doctors like recommending stationary exercise bikes to patients recovering from injuries and diseases. Follow these guidelines if you are a newcomer:

2. Stretch your way to success. As with any exercise routine, make sure that you stretch properly before and after, giving at least 20 seconds per stretch.

Exercise bikes come in 2 types, stationary and recumbent. This decision varies from person to person, and I personally recommend the upright bike. However, it may not be suitable for everyone because of the demands on the lower back and the higher intensity associated with the workout.

Finally, it's your choice - an exercise bike or some other type of cardiovascular equipment. Be diligent as a buyer and research various types of equipment before you buy.