You probably know all about motorized treadmills. But here’s the lowdown on manual, curve, and anti-gravity treadmills—and what they’re best for.

The Syedee Curved Manual Treadmill is on sale for just $650 at Walmart during its spring Super Savings week, a 69% discount on its normal price of $2,100. This curved treadmill allows you to get a ...

Treadmills without motors, or manual treadmills, are popping up in high-end health clubs and at the CrossFit Games, an international fitness competition.