New research shows the 4x4 workout format can improve fitness faster than traditional workouts, such as jogging or cycling ...

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

HIIT exercise isn't for everyone and there's some evidence that you can overdo it. Here's what the experts recommend ...

High-intensity interval training, or HIIT, is a great way to torch calories, boost your metabolism and get a great workout in a shorter amount of time. And if you're a fan of hopping on the treadmill ...

While the majority of people know exercise is important for their health, they are constantly battling against the clock. Many people say they don't have enough time to exercise or can’t get to the ...

Everything you need to know about high-intensity interval training to help you hit the ground running in 2026—including a low-impact HIIT workout alternative.

A new expert breakdown ranks the top workouts for sustainable fat loss — and the winning routine might surprise you.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." IF YOU’RE LOOKING for a style of workout that will push you to your limits without needing to exercise ...

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 ...

Some of the consequences of owing your body sleep are readily apparent, like feeling drowsy, irritable, or brain-foggy, or ...

Everything you need to know about high intensity interval training to help you hit the ground running in 2026 – including a low impact alternative ...