Elliptical trainers and treadmills are cardiovascular exercise machine staples that can be found in nearly every fitness studio. The one that is best for you depends on the type of workout you prefer. A treadmill allows you to walk or run at various speeds and inclines, while an elliptical trainer provides smooth, continuous resistance and eliminates any jarring to your joints, unlike a treadmill. Speak with your doctor before beginning any type of exercise regimen.
Treadmill Components
Perhaps the most important component of a treadmill is its motor. A treadmill with a continuous horsepower motor that provides at least 3 horsepower ensures a smooth running experience. Other vital components include rollers, the deck and frame. Large rollers measuring at least 2.5 inches extend the machine's life by reducing the tension and friction on the belt. Shock-reducing, wax-impregnated decks reduce jarring and encourage the belt to run smoothly. Lastly, welded steel or strong aluminum frames tend to hold up better and require less maintenance than multi-component frames.
Treadmill Features
Treadmills are available with a variety of add-on features, such as a built-in cooling fan, power incline and decline and a color LED monitor. One major selling point on a treadmill is the computer and its programming options. Most computers have preset programs that simulate running routes through speed and incline adjustments. Some computers also include a heart rate monitor and docking stations for an MP3 player. A treadmill should come with a good warranty that covers the motor, frame, parts and labor.
Elliptical Trainer Components
Elliptical trainers consist of a number of components, including drive belts, resistance motors and brakes, pulley systems, various electrical parts and incline ramps and motors. Incline ramps and wheels must be lubricated periodically to keep the mechanism functioning properly. Elliptical trainers can be made with various drive systems, including front drive, rear drive, center drive and adjustable stride. Rear drive trainers, which places the flywheel in the back, typically provide a smoother elliptical motion due to increased inertia. Trainers made with steel frames cut down on vibrations and promote a smooth pedaling feel.
Elliptical Trainer Features
As with treadmills, features on an elliptical trainer can dramatically increase the cost of the machine. Elliptical trainers typically come with handlebars that are directly connected to the foot pedals, which does not provide any resistance to the upper body. Some higher-end ellipticals have a separate handlebar mechanism, allowing you to adjust their resistance. Other key features include the computer, which may come with preset programs that automatically changes the resistance level and incline during your workout. Additional add-on options for many trainers include a cooling fan, MP3 player docking station and heart rate monitor.
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