Stationary Bicycles

Stationary bicycles are one of the most common types of home equipment. They are some of the least expensive machines and require less room than treadmills. Bicycling is a non weight-bearing exercise, which is often recommended for people who are obese or who have orthopedic problems. Bicycling is probably less interesting than other forms of home exercise, so keep a TV or music handy.

Types: Stationary bikes now come in three styles: Upright, Dual Action Upright and Recumbent.

Upright bikes use the traditional design. Dual Action Upright bikes have handlebars that pump back and forth, working arms as well as legs. The original dual bike, the Schwinn Air Dyne, is still the best. Recumbent bikes have the same pedaling motion as uprights, but the rider is in a seated position with the legs extended in front and just below the level of the waist. Recumbent bikes provide more back support and a more comfortable seat, but take up more space and are usually more expensive.

There are three types of resistance used in upright and recumbent bikes (dual action use air resistance almost exclusively). Friction resistance bikes use brake pads or a weighted belt against a flywheel to increase resistance; many inferior bikes use this type of design, which can be uncomfortable and harder on the knees. However, high-quality friction bikes can still be found-look for a heavy (40-70 lb) flywheel. Air resistance bikes use spinning fan blades to create resistance; the faster you pedal, the higher the resistance and greater the work. Air resistance is smooth, but noisier than other types of bikes. Electromagnetic resistance is used in the newest and most sophisticated bikes. The resistance is provided by an electric current or by manually moving a magnet closer to the flywheel. Electromagnetic resistance results in smooth, frictionless pedaling that is also quieter. The electronic design allows the use of computer microchips to accurately measure workload and to control programmed workouts that simulate hill climbing, sprints, etc. The most expensive bikes even have built in electronic consoles that display a cartoon landscape or play video games.

Price Range: $500 to $3500. A realistic range is $500 to $2000. Electromagnetic bikes and recumbents are the most expensive. The higher-priced models use alternating eddy current rather than a magnet and have more programmable features.

Desired Features:

• Smooth pedaling motion; no jerkiness or rattling chain
• A weighted flywheel (friction bikes) so that momentum is maintained
• Accurate measure of workload intensity, not just miles per hour
• Adjustable seat to fit a wide range of individuals; easy to adjust
• Toe clips for the pedals
• Resistance increases smoothly without straining the joints
• Display that shows time, speed, incline and distance

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