Whether you use an armband or chest strap, add some smarts to your exercise and training routine with one of the top heart rate monitors we've tested.

If you want the most accurate device for monitoring your heart rate, opt for a chest strap heart-rate monitor. Unlike ...

When it comes to exercising, your heart rate is the gold-standard metric to uncover how hard you're pushing. It tells you whether you're working aerobically or anaerobically, how your body is reacting ...

When you buy through our links, we may earn a commission. Our process 'ZDNET Recommends': What exactly does it mean? ZDNET's ...

"Hearst Magazines and AOL may earn commission or revenue on some items through these links." A few of the most important insights are heart rate variability (HRV), which describes the difference in ...

We may earn a commission from links on this page. Deal pricing and availability subject to change after time of publication. While most fitness watches and other devices (like smart rings) can measure ...