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 ...

Calculate your target heart rate zone and work to stay in the middle of that zone while you’re doing your cardio. Here’s how you do it: According to the American Heart Association, a person’s target ...

We know that heart rate is an important indicator of overall health. Doctors check it to see if we have high blood pressure or arrhythmias like tachycardia (fast heart rate) and bradycardia (slow ...

"The best way to monitor your workout performance is to wear a heart-rate monitor that tells you when you reach your max predicted heart rate," says Jennifer Haythe, MD, a board-certified cardiologist ...

When you track a strength training workout on a fitness watch, that watch will happily tell you what heart rate zones you were in during the workout. In fact, they'll do that for any workout, whether ...

If you find that you're the lucky recipient of a new Apple Watch, you may want to try to use it to lose the holiday pounds. Here's what you need to know about Apple Watch heart rate zones. Whether you ...

Polar is a leading brand in consumer heart rate monitors. The new, high-end chest strap monitor, the Polar H10 ($89.95 on Amazon), has just about all of the bells and whistles you could want in a ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...