VO2 max is often referred to as a key marker of fitness. It’s the measure of the maximal amount of oxygen your cells can take in and use during exercise. Because VO2 max is so closely tied to running ...

These brief, intense workouts can strengthen your heart and boost longevity.

You might think the exception to that is the speedy part of interval training, which sees runners switch between jogs and ...

VO2 max is a trendy stat for measuring your fitness, and it can help improve longevity too. Having a higher VO2 max is good, but more important for health is how the number changes over time.

A higher number will make exercise feel easier at a given intensity level.

For general fitness and health, men should aim for age-adjusted VO2 max scores that put them above average. This will ensure you are maximizing reductions in all-cause mortality from having a higher ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Until recently, VO2 max testing has been inaccessible to most everyday athletes. Unless you had an in ...

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 ...

Here’s a graph showing the fraction of workout time spent at above 90 percent of max heart rate (black bars) and above 90 ...

We all sit somewhere on a spectrum between speed and endurance. Some athletes thrive on long, steady miles, while others ...