Treadmills are one of the most popular fitness machines for use in gyms or homes because they are convenient, easy to use and appropriate for all levels. A treadmill provides a softer ride than a run on asphalt and allows you to work out regardless of outdoor conditions. Treadmill prices range from about $500 to more than $5,000---with lower-priced models offering less durability, quality and fancy features.
Motor
The horsepower size of a treadmill motor determines how long it will last. The American Council on Exercise recommends looking for a motor labeled as 2.0 continuous-duty or greater. This motor will accommodate slender folk, but also people who are greater than 180 pounds.
Belt and Deck
The belt is the treadmill's running surface. Look for a two-ply surface that is at least 17 inches wide and 48 inches long. Many commercial treadmills---like those found in fitness centers---are as long as 72 inches. The deck is the base of the treadmill and offers cushioning for your body as you run or walk. If you suffer from joint issues, shin splints, foot injuries or back care concerns, look for a low-impact deck that absorbs some of the shock of running.
Frame
Lower-cost treadmills feature steel frames to support the belt and deck. Higher priced treadmill frames may be constructed of the same aluminum used to build aircraft to provide greater shock absorption and flexibility. The aluminum frames are also lighter and impervious to rust and corrosion.
Console
The treadmill console offers features such as speed, incline, distance, pace, calories burned, heart rate monitoring and preset workout programs. Commercial-grade treadmills go as fast as 15 mph and reach inclines of 15 percent. Some superincline models feature inclines of 30 percent and the ability to workout at a 3 percent decline. Less expensive home-based models usually have lower top inclines and slower top speeds. The accuracy of the calorie-counting feature depends on the quality of the treadmill you choose---less expensive models are less reliable. Heart rate monitoring on a treadmill may consist of grips on the console which measure your heart rate as you walk (it is not accurate if you are running and jostling significantly). Some treadmills sync up with specific heart rate monitor straps worn at the chest. Preset programs are usually features of higher priced treadmills and take you through a "terrain" with varying hills and speed goals.
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