HIIT, or high-intensity interval training, is increasingly popular, and it provides plenty of benefits, from torching calories to increasing your VO2 max and overall athletic performance. SIT, or ...

Sprint interval training, or SIT, is super trendy right now. It’s a great way to improve your running speed and to get in a hard interval workout, and I’ll explain exactly how. But I also need to ...

Sort of. Sprinting is essentially explosive resistance training using your own body weight, so every sprint activates your glutes, quads, hamstrings, calves, and core, allowing you to maintain muscle, ...

Fitness and running experts agree: sprinting might be the best exercise to promote fat loss and muscle gain, and achieve body ...

We all grow older. There is nothing we can do about that, but the quality of those years is within our control, as recent ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Losing weight and gaining muscle are two major feats in and of themselves, but if your goal is to achieve ...

Losing weight and gaining muscle are two major feats in and of themselves, but if your goal is to achieve both at the same time, you’re likely working toward body recomposition. Strength training and ...