Motorized Treadmills ...............................................  

Manual Treadmills ...............................................  

Crazy Fit
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Massage & Senior Care
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Treadmills are the motorized equivalent of walking or running in place. You simply keep up with a belt that’s moving under your feet. When you use the treadmill, it can burn about the same number of calories as walking or running outdoors. The only exception seems to be running up hill. When you incline the treadmill to simulate running uphill, it’s somewhat easier than running up real-life hills of the same grade. But walking uphill on a treadmill is virtually the same as walking uphill outdoors.Treadmills are among the easiest cardio machines to use. Still, treadmill users are not immune to poor posture. And if you’re not paying attention, you can stumble.