Heart rate zones are a way to describe how hard you're working during a cardio workout, like running or cycling. The faster your heart beats, the harder you're working. So an easy jog might have you ...

You can also test the accuracy of your numbers out on the run, for example by running at what feels like a hard pace (using the ‘talk test’, you should only be able to get two or three words out at a ...

To get a sense of what average running heart rates look like for the pros, we peeked at some of their public Strava posts.

CNET's heart rate test To capture a broad range of heart rate data, I tested each watch individually across three separate 1-mile runs on a flat track. I held a moderate intensity for the first half ...

Medical tests play a crucial role in detecting heart issues, often even before symptoms appear. Many heart conditions, such as blocked arteries, irregular heart rhythms, and structural defects, may ...

Heart rate variability (HRV) is the variation in the time between two consecutive heartbeats over a specific period. Doctors may use HRV as an indicator for certain aspects of a person’s health, ...

Sitting quietly at your desk, watching TV, or lying in bed at night, your heart should be taking it easy – beating steadily and calmly at somewhere between 60 and 80 beats per minute for most healthy ...