If your VO2 max won't improve, you might be missing a key piece of the training equation.

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 ...

HIIT tops rankings: Experts say high-intensity interval training offers greater heart and lung benefits than moderate-intensity workouts. Key health gains: HIIT improves VO2 max, reduces waist size, ...

Whether you love cardio-driven workouts or avoid them like the plague, there’s no denying that maintaining a strong cardiovascular system is essential for overall fitness and longevity. VO2 max is the ...

If you own a smartwatch or wearable fitness tracker, you’ve likely caught a glimpse of your VO2 max, the maximum amount of oxygen your body can utilize during intense exercise. For endurance athletes, ...

Running to the best of your ability can feel like a numbers game. To hit new PBs, you’re probably under the impression that you should keep tabs on all kinds of ...

High-intensity interval training is one of the best ways to pack a lot of exercise into a short period of time. HIIT workouts are so efficient because they alternate short bursts of very intense ...

But Zone 0 won’t get you there. To build VO2 max, you need to raise your heart rate with purposeful effort, whether through interval training, hill sprints, circuit-style strength sessions, or even ...

Editor’s note: Before beginning any new exercise program, consult your doctor. Stop immediately if you experience pain. For the past decade, high-intensity interval training has been among the top 10 ...