For when you need to be in "zone 2" and have no idea what that is.

“Heart rates increase as we age due to decreased elasticity in the blood vessels, increased stiffness in the heart muscle tissues and normal deconditioning of the system with age,” McDowell says. “A ...

This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. Zone 2 training is a type of cardio exercise where you use your heart rate as a guide to help you find the right intensity for your ...

When Joe Driscoll toed the line at the U.S. Men's Olympic Marathon Trials in November, he knew that maintaining an even pace would be trickier than usual on the rolling hills of New York City's ...

We have just the formula you need to sort what your heart rate training should look like.

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 ...

These days, everyone from the average Susan to the hardcore data-loving wellness enthusiast has the technology to track just about anything in the name of self-optimization. A ring wearable tells you ...

Heart rate zones are a way to describe how hard you're working during a cardio workout, like running or cycling. The faster your heart beats, the harder you're working. So an easy jog might have you ...

Understanding our body's target heart rate zones and how they change as we age is crucial for getting the most out of our workouts. If your goal is to burn fat, for example, you'll want to stay in ...