As an avid runner, I’m no stranger to heart rate monitors and extra sensors. I’m all about getting every last little piece of data to figure out if I actually nailed my workout or if I pushed just a ...

A few of the most important insights are heart rate variability (HRV), which describes the difference in time between the ...

Your smartwatch heart rate is good, but these are better ...

Keeping track of your heart rate while working out is now easier than ever, thanks to wearables like smartwatches and fitness trackers. However, the gold standard for heart rate data is a chest strap ...