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 ...

High-intensity interval training, or HIIT, is the go-to workout modality for anyone who likes to get their heart rate up, strengthen their muscles, and then move on with their day. It focuses on quick ...

Throughout the long history of the sport of running, training innovations have come primarily from athletes and coaches, not scientists. With few exceptions, it’s been the folks in the trenches who ...

On TikTok, workout tips abound — some credible, some dubious. And recently, you may have been hearing about something called sprint training, which falls somewhere between 12-3-20 treadmill workouts ...

A couple of years ago, I wrote an article about the fine-grained nuances of interval training. According to Paul Laursen and Martin Buchheit’s telephone book of a text, Science and Application of High ...

The phrase “putting the hammer down” commonly refers to drivers smashing the accelerator pedal to pick up a burst of speed, often to beat a waning yellow light. Runners use this idiom in much the same ...

There’s a lot of talk in the exercise world about high intensity interval training (HIIT) lately, which is exactly what it sounds like — alternating episodes of exercise with periods of less intensive ...

Interval training’s stock has soared in recent years. Is it any wonder, when it promises to deliver impressive health and fitness perks in a shorter time frame than other workouts? Sessions can be fun ...

Over the last decade, high-intensity interval workouts have bubbled to the top of the fitness list. They’re quicker, more time-efficient, and just as effective at boosting fitness and health - or more ...

There’s no one way to structure an interval workout, but there are some guidelines. For example, the more intense your sprint, the more time you’ll need to recover. As for the exertion level, or how ...

The Huberman-famous protocol promises to gamify your interval training, but the rules seem to make it worse, not better, than standard interval workouts. Beth Skwarecki is Lifehacker’s Senior Health ...