From watches to chest straps, a heart rate monitor can optimize your workouts. Polar, Garmin, and Fitbit top our list. See what else we’re wearing to run, swim, cycle, and more. Heart rate ...

Smartwatches and other wrist-bound fitness trackers have exploded in popularity over the past few years, but there's a wearable heart rate monitor that's even more accurate: the chest strap.

The best heart rate monitor on the market is the logical next step in your training armory if you want to take to your health and fitness to the next level. While the best fitness trackers and ...

COROS’s solution is an armband that still uses an optical heart rate sensor like a watch. But because there’s more blood flow where it’s strapped—on your bicep—it avoids accuracy issues ...

They use electrodes against your skin to monitor the electrical activity, whereas most other heart rate monitors are 'optical', meaning they send a ray of light into your skin and measure the ...