If you're a lifelong powerlifter or bodybuilder, there's a good chance you're more concerned about growing your glutes, carving your core, or building your biceps than boosting your VO2 max. But for ...

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 ...

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 ...

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 ...

Running stats — love them or hate them — as a runner, you will be constantly inundated. Finish a run, and you’ll get every ...

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 ...

Consider two athletes, A and B. Athlete A has a maximum heart rate of 205 beats per minute, while Athlete B has a maximum heart rate of 165 beats per minute. Who’s better? The answer is neither (or ...

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 ...

Strava's new Training Zones feature promises to help runners and cyclists better understand their training load across metrics like heart rate, power, and pace. That sounds like useful information, ...

Does every run send your heart rate soaring? Experts explain why intentionally slowing your pace and sticking to heart rate ...

Plus, the 80/20 rule for optimal results ...

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