YOU KNOW YOU need muscle... and you need to burn calories. Everyone needs more strength, too—and we can all use a little more athleticism. But you don’t have hours upon hours upon hours to chase all ...

We've all been there: obsessed with one specific workout, whether it's a so-hard-it-hurts HIIT class, a makes-your-bod-rock ...

This full HIIT workout focuses on high-efficiency movements that elevate heart rate, increase calorie burn, and support ...

But a type of interval workout recently popularised by actress Jessica Biel could be the solution – with research showing it can improve fitness faster than traditional, steady-pace workouts, such as ...

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Health-conscious mid-lifers and 20-somethings may have ditched boozy late nights for oat lattes and excessive quantities of ...

Since HIIT workouts can get the job done in just 15 to 20 minutes, on average, they seem like the perfect way to exercise whenever you’re in the mood for a short but sweet round of cardio. So many ...

Hedy Phillips is a freelance lifestyle writer based in New York. While she's not writing on topics like living on a budget and tips for city dwelling, she can usually be found at a concert or ...