VO2 max is an intimidating word for an easy-to-understand biometric: It’s how well your body uses oxygen when you push ...

High-intensity interval training is important, but coming back to your breath can be crucial to helping you train.

“VO2 max is the best measure of cardiorespiratory fitness,” says Andrew Getzin, MD, head team physician of USA Triathlon and sports medicine physician at Cayuga Health in Ithaca, New York. “To have a ...

Choosing your pace based on threshold is more effective than calculations based on maximum heart rate, research shows.

If you're a lifelong powerlifter or bodybuilder, there's a good chance you're more concerned about growing your glutes, carving your core, or building your biceps than boosting your VO2 max. But for ...

If you’ve ever worried about your heart rate during exercise being too high or too low, you’ll want to read this. Your "heart rate zones" might be completely wrong. Not only are zones defined ...