A few of the most important insights are heart rate variability (HRV), which describes the difference in time between the ...

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 ...

Not that it was ever unpopular, but it’s fair to say that running is going through somewhat of a renaissance right now. Data released by Sport England in April of this year revealed that 250,000 more ...

Running raises heart rate, improves VO₂ max and strengthens the heart more efficiently than most sports ...

From sporty smartwatches to premium monitors, the best GPS sports watch will track your fitness and activity 24/7 ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

One of the best heart rate monitors on the market, with added features, and compatibility for a full triathlon too. You can trust Cyclingnews Our experts spend countless hours testing cycling tech and ...

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 ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

Running, cycling, HIIT, and jumping rope are all examples of cardio exercise proven to improve cholesterol profiles. Weight lifting, whether at a gym with machines or at home with your bodyweight, can ...