"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." "CARDIO MACHINE" HAS become a catch-all term to describe exercise bikes, treadmills, rowers, and ...

Elliptical machines are well-known for their heart-pumping cardio benefits. Also called a cross trainer, this machine allows you to move your legs similarly to running but offers a ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Seth Berkman Seth Berkman is a fitness writer. He incorporates testing into ...