Heart rates are easier to monitor today than ever before. Thanks to smartwatches that can sense a pulse, all it takes is a quick flip of the wrist to check your heart. But monitoring the cells ...

That tension becomes especially clear with heart rate zone training, a popular five-tier system that endurance athletes use ...

Understanding your heart rate can be helpful to calibrate your perceived exertion, especially on easy and steady runs. This ...

Heart rate zones represent different percentages of your maximum heart rate. They can help guide the intensity and effectiveness of your workouts. The benefits of exercise are widespread and include ...

Hunter Bennett does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

We may receive a commission on purchases made from links. When smartwatches and other wearables first hit the market, some people were skeptical that they'd be anything more than a novelty. Once users ...