VO2 max testing requires a mask to measure oxygen intake and carbon dioxide output to determine your cardiovascular fitness. When you think about how fit you are, you might think about how far you can ...

VO2 max is a trendy stat for measuring your fitness, and it can help improve longevity too. Having a higher VO2 max is good, but more important for health is how the number changes over time.

Fitness experts explain the heart health benefits of the Norwegian 4x4 cardio method, and how to include it into your regular ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Ever wish you could breathe easier and sustain more intensity mid-workout? You may have overheard the ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Until recently, VO2 max testing has been inaccessible to most everyday athletes. Unless you had an in ...

If you wear a running watch, you might have noticed a function that estimates your VO2 max score. If your running is in a good place, you might have seen this number rise over the past few months or ...

Busy professionals can now boost their health and fitness with an 8-minute workout called ReHit. Developed by high-performance coach Angela Foster, this high-intensity training method focuses on short ...

For patients with heart failure and cardiovascular disease, high intensity interval training has a greater positive effect on cardiorespiratory fitness than moderate intensity continuous training.

Jessica Biel is a ‘total badass in the gym’. Her PT Ben Bruno said so – but just have a look at her workouts on his IG and you’ll see for yourself. Strength training is at the core of her routine, but ...

If your training week looks like a string of long, steady rides and a weekly mileage number you obsess over, you’re in good company. Tons of cyclists think “more miles = more speed.” The problem with ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? Like other HIIT-style workouts, the method contains spurts of high-intensity ...