High-intensity interval training is one of the best ways to pack a lot of exercise into a short period of time. HIIT workouts ...

In TODAY.com's Expert Tip of the Day, a trainer explains how incorporating HIIT into a weekly workout routine can boost one's metabolism and help with weight loss.

Kim Kardashian gushed over her updated workout routine, which includes several forms of sweat-inducing exercises like weight ...

However you do it, what makes HIIT work is the intensity. You’re going hard—typically as hard as you can—for a short period of time, then resting for a length of time that’ll let you recover to go ...

If you have only 10 minutes to move your body today, this short HIIT workout will fire up your muscles. Presented by Activia, this session requires no equipment, so you can do it wherever your day ...

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 ...

That HIIT workout routine is upping your cortisol (stress) levels. The head of research at Les Mills wants you to keep it under 40 minutes per week. “Cortisol is not particularly a ‘bad’ hormone, it’s ...

High-intensity interval training, also known as HIIT, is a great way to improve your overall cycling performance. Working ...

If cardio seems more like a chore and less like a fun sweat session, this 10-minute HIIT workout can help you switch it up. Presented by Allegra, this high-energy routine is a quick way to get your ...

Looking for a workout that has speed, strength, and power wrapped into one? Try high-intensity interval training (HIIT), a method that packs a punch in a shorter amount of time compared to other ...

Hoda Kotb discusses being an older mother, Jimmy Kimmel's show returns to ABC on Tuesday, and more from TODAY for Sept. 23, 2025.

It’s tricky to say exactly what the benefits of Housework's specific series of exercises and class flow produce. However, ...