The main difference between folding and nonfolding treadmills is stability. When a folding treadmill is stowed away repeatedly because it's so easy to do, it tends to get rickety over time, which decreases its balance and functionality. Three of the best nonfolding treadmills will not have this problem, and tend to be very steady throughout their lifetime.
LifeSpan PRO5
The LifeSpan PRO5 inclines 15 levels, offering you more resistance if you are looking to strengthen the thighs and calves while increasing your cardio capacity. There is plenty of room for cardio, too--the PRO5 goes up to 12 mph (that's a five-minute mile). The PRO5 also has lengthy side rails so that you can comfortably use the high-incline settings without feeling off-balance. LifeSpan's PRO5 packs technological weight, too, with two heart-rate monitors and customizable running programs.
Smyrna 2010
The Smyrna 2010 has a lifetime warranty, which provides nice financial security. The console includes a dock for your iPod, a fan to cool the sweat from your face, high-quality speakers and a heart-rate monitor.
CardioZone Commercial SuperSport Club II
The CardioZone boasts an extremely quiet motor so that you can work out in the living room and not disturb your family. The running board features special shock absorbers to save your knees from wear and tear. If you're a golfer, CardioZone offers disparate inclines and slower speeds. If you're a basketball player, the CardioZone treadmill can set you up for a fast, quick workout.



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