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 ...

The idea of a heart-rate monitor might sound a bit pointless if you’ve already got one built into your running watch, but what many people don’t realise is that, for those more serious about their ...