High-Intensity Interval Training (HIIT) has become one of the most effective fitness strategies in the United States for ...

Our new Build Muscle, Burn Fat plan is designed to do exactly that. Add size, lean up and feel stronger. It’s a simple, ...

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 ...

I SPENT MOST of last year running. I took on a pair of marathons in April and September, and by the time I was done, I'd neglected my strength training so much that I looked like a rangy runner ...

The fitness world has turned workout timing into a religious debate with passionate followers on both sides. Morning warriors swear by their pre-dawn sweat sessions, claiming superior fat burning and ...

If you want the best measure of your fitness, it’s time to check out your VO2 max. VO2 max is the maximum amount of oxygen your body can utilize during intense exercise, measured in milliliters of ...