Fitness trackers and smart watches are widely popular wearable devices that measure several types of health metrics, including step count, calories burned, sleep quality, Vo2 max and heart rate. As a ...

Thanks to the proliferation of smartwatches and fitness trackers, it’s never been easier to log your heart rate while running: Simply don the device, start your workout, and watch those beats per ...

Fittingly, the study showed that VO2 max scores were higher in more active states: DC (37.4 mL/kg/min), California (36.4 ...

The path to better heart health might just run through your wrist. Scientists at Northwestern University’s Feinberg School of Medicine have developed a new way to assess cardiovascular fitness using ...

Taking easy runs too fast is a common habit among runners, much to the chagrin of coaches everywhere. I know staying in the zone 2 range is critical for aerobic development, and after lowering my ...

Add Yahoo as a preferred source to see more of our stories on Google. If you wear a fitness tracker, you’ve likely seen a stat labeled “HRV” pop up on your screen. But what does it mean, and does it ...