But Zone 0 won’t get you there. To build VO2 max, you need to raise your heart rate with purposeful effort, whether through ...

VO2 max is a measure of the maximum amount of oxygen the body can handle during intense exercise. A doctor explains how it's ...

VO2 max is one of the most powerful indicators of cardiovascular fitness, longevity, and athletic potential—and the good news is, it’s highly trainable. Whether you’re a runner, cyclist, or HYROX ...

Your VO2 max — a good indicator of cardiopulmonary fitness — isn’t static. It can be improved with consistent exercise or ...

A higher VO2 max translates directly into enhanced physical performance across various activities. This improved oxygen utilization capacity manifests in multiple ways. Athletes with higher VO2 max ...

Being strong doesn’t necessarily mean you’re fit anymore. You can put up big numbers in the gym, look the part, and still ...

When runners talk physiology, two terms tend to dominate the conversation: VO2 max and lactate threshold. Although the two metrics are related, they are not the same – and they shape performance in ...

In this episode of The Amazing Runner’s World Show, Jeff is joined by Kristen Wagner, senior health and fitness editor, to talk about Jeannie Rice’s incredibly high VO2 max. The world record-holder ...

Your VO2 max can dip for normal reasons—or signal a bigger issue.

A.V. Hill was a 4:45 miler and already had a Nobel Prize for work in muscle physiology when he and Lupton began studying VO2 max. The experiments involved subjects running around Hill’s back garden in ...

TOOLBOX: Interval Training is popular in cycling and many other sports. High-Intensity Interval Training (HIIT) involves short periods of hard efforts separated by low-intensity recoveries. Let’s dig ...