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 ...

You may already know your VO2 max is a strong predictor of how fast you are on the bike. But if you’re fuzzy on the details, including what the term actually means, why it matters, and how you can ...