In terms of differences, if you think about VO2 max as the size of your engine, lactate threshold is the size of the gears in ...

Garmin has some of the best proprietary fitness software around. Here’s how to interpret all that meticulously gathered data.

This is read by an automated voice. Please report any issues or inconsistencies here. If your smartwatch has ever flashed a “VO₂ max” score or you’ve heard ...

Unfortunately, VO2 max decreases a lot faster when you stop straining than it increases with training. “Early on, you can see ...

Experts explain why this measure of cardiovascular health isn’t just for ‘fitness people,’ and how improving your VO2 max ...

Until recently, VO2 max testing has been inaccessible to most everyday athletes. Unless you had an in with an exercise physiology lab, you had to rely on back-of-the-envelope calculations or wearable ...

VO2 max is a buzzy measure of heart health and fitness. I tried a class that promised to boost my VO2 max through cardio and breathwork. I don't typically do cardio, and I realized taking classes ...

A VO2 max test measures heart health and breaks down your ideal cardio zones for burning fat and building muscle.

After running for over a decade, I wanted to see how healthy my heart is. I got an active metabolic assessment at Life Time, measuring my VO2 max and heart rate. I also learned which running speeds ...