Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Whoop, the screenless ...

On TikTok, VO2 max is going viral as the key to improving your endurance during a workout, but what exactly does it measure? In short, you can think of this metric as the maximum amount of oxygen your ...

Setting a new personal max is a great way to chart your progress toward your fitness goals—so what’s the easiest way to do that? One useful step is to improve VO2 max, which is a measure of how much ...

You should want to know your VO2 max for many reasons. Athletes who seek optimal performance by taking part in competitions learn valuable information from tests that measure your maximum heart rate, ...

Are you tracking enough of your fitness metrics yet? No? Great! Here's another one: VO2 max. It's a measurement that's traditionally been used by elite athletes, especially runners and cyclists, but ...

VO2 max measures how much oxygen your body uses during hard exercise. A higher VO2 max improves endurance and longevity. Any form of aerobic exercise—such as walking, cycling, or swimming—will ...

I’ve done enough “real” VO2 max tests—the trips to the lab, the expensive and cumbersome equipment, the brutally exhausting treadmill protocol, and in one case, the puking in the corner ...

Standards is a series explaining various tech protocols, looking at their practical implementation, and where we could find them in devices around us. Fitness bands and watches have thrown around ...