Zones are based on your heart rate, but each app has its own idea of where they start and end.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Hear me out: it’s time to get serious about your Zone 2 cardio. ICYDK, Zone 2 cardio refers to a type of ...

Peloton had a series of Bike classes designed around heart rate zone training. Christine D’Ercole would tell you what zone ...

Few would disagree that cardio, also called aerobic exercise, is good for your health. Of the 10 most common chronic diseases, seven are "favorably influenced by regular physical activity," according ...

Add Yahoo as a preferred source to see more of our stories on Google. If you wear a Fitbit, Apple Watch or a similar wearable while working out, you already know that you have a useful tool right at ...

SmartGym is rolling out a major update today, adding new ways to compare workouts over time, custom heart rate zones, new ...