VO2 max testing requires a mask to measure oxygen intake and carbon dioxide output to determine your cardiovascular fitness. When you think about how fit you are, you might think about how far you can ...

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

Are you tracking enough of your fitness metrics yet? No? Great! Here's another one: VO2 max. It's a measurement that's traditionally been used by elite athletes, especially runners and cyclists, but ...

VO2max is a measure of cardiovascular fitness, and many watches and fitness trackers can estimate it for you. Here's what you need to know.

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

If you're a fitness fiend or working to improve your health, you're probably always looking for ways to run faster and farther, train harder and push your limits. You might even already track a number ...

You can stop counting your steps. VO2 max is a much more important indicator of cadiovascular fitness and aerobic endurance. Before I found out that 10,000 steps a day is total scam, I would do just ...

When you think about how fit you are, you might think about how far you can run or how many push-ups you can do. Or maybe you think about health metrics like your resting heart rate or heart rate ...