The Norwegian 4x4 Hiit workout is a favourite among athletes and actress Jessica Biel – here’s why it’s so beneficial

Lack of time is often the main reason people don’t exercise regularly. But a type of interval workout recently popularised by ...

The Best HIIT Workout to Kickstart Your New Year

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.
Nature

High-Intensity Interval Training and Its Effects on Fitness and Health

High-intensity interval training (HIIT) has emerged as a highly efficient exercise strategy that encompasses repeated bouts of vigorous effort interspersed with recovery periods. This method has ...
The Economist

Can high-intensity interval training get you fit in a hurry?

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