With a fitness tracker, you’ll have access to a variety of these health metrics—but there’s one that is key to determining your cardiovascular fitness that you may be ignoring: your VO2 max.

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Whoop, the screenless watchband-like wearable that beat out Oura in my non-watch fitness tracker showdown, has just added a VO2 max feature to its app. Now, just like Garmin, Apple Watch ...

Ever wish you could breathe easier and sustain more intensity mid-workout? You may have overheard the term "VO2 max" at the gym or on a trainer’s social media page recently—but what is this ...

Used to test aerobic endurance or cardiovascular fitness, VO2 max is the maximum amount of oxygen you can utilize during exercise. It is measured in milliliters of oxygen consumed in one minute ...

Ever wish you could breathe easier and sustain more intensity mid-workout? You may have overheard the term "VO2 max" at the gym or on a trainer’s social media page recently—but what is this fitness ...