Scientists have found that cardiorespiratory fitness, specifically, your VO2 max, which measures how efficiently your body ...

For HRV, you'll need a smartphone app or wearable device that can detect the subtle variations between heartbeats. Take ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." FOR ABOUT A a year, an exercise physiologist I know kept offering to do a VO2 max test on me. For more ...

I'm what I call an "on-paper" athlete. I've been running for a decade, I regularly take weightlifting classes, and I finished a marathon. In my mind, I should be ripped, shredded — all the paper ...

EXPERT ADVICE: What exactly is VO2 max testing? Who needs it? And what are the benefits? Xpress catches up with Sean Simonds, clinic director for Movement for Life Physical Therapy, to find out. Photo ...

If you're a fitness fiend or working to improve your health, you're probably always looking for ways to run faster and farther, train harder and push your limits. You might even already track a number ...

First, it helps to understand the difference between the two common ways physiologists report VO2 max. Relative VO2 max takes that number and divides it by your total bodyweight, commonly expressed in ...

When Oskar Svendsen’s friends dragged him to a science lab on his stag do last spring, they were amused to find the perfect set dressing for their escapade: his name was literally on the wall. The ...

Researchers question how relative VO2 max is calculated and share why your watch’s number may not tell the full story about ...

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 ...

FOR ABOUT A a year, an exercise physiologist I know kept offering to do a VO2 max test on me. For more than a year, I’d been resisting it. Not because it’s not important. Plenty of trends have come ...