HIIT is commonly performed at about 80 percent of peak heart rate, while sprint intervals are more of an “all-out” effort ...

Discover how just four minutes of supramaximal interval training can trigger powerful cardiovascular, metabolic, and ...

The prom is one of the most anticipated events of a high schooler's life, and the accompanying photos can live forever. The emphasis on image during prom season is intense for many teens. So it's no ...

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 ...

The most famous endurance athletes in the world have a jaw-droppingly high VO2 max. While the big numbers sound impressive, what does it actually mean? It stands for Volume O2 (oxygen) maximum – which ...