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

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

‘This type of interval training is effective because it trains both your body and your brain,’ adds Pace-Humphreys. ‘You’ll be running faster than your proposed marathon pace, which will help to ...

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.

Step into a healthier future, stride by stride. The varied paces in interval walking enhance your body’s ability to deliver oxygen to muscles. “Adding higher-intensity intervals pushes your ...

Interval training’s stock has soared in recent years. Is it any wonder, when it promises to deliver impressive health and fitness perks in a shorter time frame than other workouts? Sessions can be fun ...

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 has surprising benefits for fitness and physical power, but don’t stay seated the rest of the day. By Gretchen Reynolds A mere four seconds of all-out exercise, ...

Determining whether high-intensity interval training (HIIT) is an appropriate form of exercise for the average person has been hotly debated for years. But for one researcher, there's not much to ...

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 ...