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 ...

We may receive a commission on purchases made from links. Heart rate monitor watches have become an essential tool for health-conscious individuals, revolutionizing the fitness industry in recent ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. February 18, 2025 Add ...

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 ...