High-intensity interval training, or HIIT, is a great way to get in a fast, effective workout. This quick routine is helpful ...

Popular actress Jessica Biel is back in the spotlight, this time, though, for her workout routine. Prizing the Norwegian 4×4 ...

High-intensity interval training (a.k.a., HIIT) is a triple threat: “It’s quick, easy, and effective,” says Angela Gargano, a certified trainer and creator of Strong Feels Good & Pull-up Revolution.

For many people aiming to burn a lot of calories, high-intensity interval training is the way to go. Also known as HIIT, these popular workouts feature bursts of intense activity, such as squats or ...

But a type of interval workout recently popularised by actress Jessica Biel could be the solution – with research showing it ...

Every so often, a new type of workout seemingly takes the fitness world by storm. The latest in this long line of buzzy fitness fads: the Norwegian 4x4 workout, a high-intensity interval training ...

As HIIT's popularity soars, sprint interval training, or SIT, is doing its best to catch up. Can shorter, harder, faster deliver better results? As the popularity of HIIT continues to soar, sprint ...

High intensity interval training (HIIT) may be the optimal exercise for reducing body fat while maintaining muscle mass in ...

Every new year comes with big intentions — and the quiet fear that I'll end up doing exactly what I did last year.

Earlier this month Strava unveiled its new Instant Workouts feature. The most glaring issue: You cannot actually view your ...

Interval training is great for boosting cardiovascular endurance and promoting overall fitness. Our fitness expert, Judd NeSmith, NASM-CPT, PES and founder of Serious Fitness, explains interval ...

The Huberman-famous protocol promises to gamify your interval training, but the rules seem to make it worse, not better, than standard interval workouts. The Sugarcane workout is a series of intervals ...