Heart rate zones represent different percentages of your maximum heart rate. They can help guide the intensity and effectiveness of your workouts. The benefits of exercise are widespread and include ...

Fitness trackers and smartwatches can make it easier to stay in your heart rate training zones. (Getty Creative) Forget the guesswork — fitness just got easier to master. As fitness trackers grow in ...

If you're fanatical about powerlifting or new to lifting, you're likely more concerned with shoulder workouts and perfecting your Arnold press than boosting your VO2 max. Endurance athletes like ...

If the numbers your watch sets for zone 2 don’t track with what you’ve found your heart rate to typically be during truly ...

When I first started running, I always tried to aim to run at a fast pace, which constantly made me feel out of breath and exhausted. But then I learned to focus on a different metric that would make ...

The beat is intensifying. Every new electronic device these days – from your phone to your watch to your ring – seems to want ...

From Apple Watches to Fitbits to treadmills, there are more ways than ever for people to keep up with their vitals. So why does so much fitness tech check your pulse? Because your resting heart rate ...

In TODAY.com's Expert Tip of the Day, a cardiologist explains why a lower resting heart rate can be a good sign of heart ...

If you prefer to keep one ear completely unobstructed for whatever reason, you might be happy to know you only need to wear ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When I first started running, I always tried to aim to run at a fast pace, which constantly made me feel ...