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.

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

This month we will be alternating between HIIT walks and a simple HIIT routine that uses just your bodyweight to get your heart rate up. On days when we’re doing walking workouts, you have three ...

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 may, however, be a shortcut. High-intensity interval training ( HIIT) promises to get you fit with just a few minutes ...

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 ...

High-intensity interval training is important, but coming back to your breath can be crucial to helping you train.

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

Vigorous exercise places greater demand on the cardiovascular system, encouraging adaptations in the heart and lungs, Holmer ...

Adding high‑intensity interval training to a lifestyle intervention enhances short‑term physical activity in children and ...