You glance at your heart rate monitor during a tough run and an unusually high number jumps out at you. Should you be excited or concerned?

Learn how to calculate target heart rate in a way that actually reflects your physiology, according to a clinical exercise physiologist. I belong to several Facebook fitness groups, and always found ...

As a lifelong health and fitness enthusiast with 15 years of experience, Rachel MacPherson is passionate about cutting through fads and noise. Her aim is to clearly communicate health information with ...

The normal resting heart rate varies by age. In adults, any number between 60 and 100 beats per minute (bpm) is considered a good resting heart rate. Babies and young children have higher resting ...

"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 ...

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, ...

“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 ...

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 ...

Heart Analyzer this week reached version 10, bringing some major improvements and changes to the popular heart health app including a new dashboard experience, a refreshed Watch app, enhanced charts, ...

Nearly everyone’s been faced with this decision at some point in their lives: Take the elevator or walk up the dreaded stairs? If you have a racing heart rate while climbing stairs and find yourself ...