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 ...

You might love the motivating tempo for workouts or the cadent call for calm that a smartwatch heart rate monitor provides. But when it’s time for an upgrade, what ...

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 ...

Learn more › If you aren’t wearing a heart rate monitor, you aren’t getting the most from exercising. According to the Cleveland Clinic, heart rate is a primary indicator of how intensely ...