A number of wrist-worn fitness and heart rate monitors exist to provide heart readings and help guide a person’s physical activity. But there is variable accuracy among these monitors, according to a ...

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 ...

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 ...