In a few short years, the concept of “threshold” has gone from niche sports science jargon to mainstream obsession. You want to follow Peter Attia’s advice and maximize your longevity by exercising in ...

Regardless of the intensity of exercise you prefer, keeping a consistent routine can keep your heart healthy. Klaus Vedfelt/DigitalVision via Getty Images Aerobic exercise like jogging, biking, ...

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

“VO2 max is the best measure of cardiorespiratory fitness,” says Andrew Getzin, MD, head team physician of USA Triathlon and sports medicine physician at Cayuga Health in Ithaca, New York. “To have a ...

For adults, a normal resting heart rate is between 60 and 100 beats per minute. To measure your heart rate, place two fingers on your wrist or neck, count the beats for 15 seconds, then multiply by ...

"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 ...

Your heart rate can tell you a lot about your fitness and cardiovascular health. Your heart beats consistently, day in and day out, but you may not generally pay close attention to it. You might take ...

Running in zone 2, by definition, should feel easy. And that’s a good thing, considering zone 2 runs make up the majority of any good training plan. These easy efforts serve as the building blocks for ...

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