Chest strap monitors—the traditional kind ... and the kettlebell rests gently on your wrist during overhead exercises, where a watch would be in the way. I've kept using it since then.

For example, the monitor does not have a time stamp, which may be an issue for some users. Additionally, the wrist strap is adjustable but may not fit everyone comfortably. Finally, the monitor ...

That’s because this brand features a pod-like tracker. and a WHOOP Body line to embed the monitor in a wrist strap, swimsuit, boxers, sports bras, shorts, or leggings. The monitor data is ...

So, it seems as if wrist-worn heart rate monitors still have some work to do where accuracy is concerned. Although skin tone isn’t a worry, they all become less accurate when the subject is ...