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 ...

However you do it, what makes HIIT work is the intensity. You’re going hard – typically as hard as you can – for a short ...

Our newest training program delivers four 20-minute-or-less workouts that leverage the science-backed high-intensity interval training protocol to torch calories and build muscle, fast.

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.

With any cardio exercise, 150 minutes a week is a great baseline, so you can break that up however you want. Dancing for about 30 minutes a day, five days a week, is optimal. It's also a good idea to ...

Get ready for a super sweaty 20-minute HIIT workout—all standing, no jumping, and no equipment required! This high-intensity ...

This bodyweight HIIT workout will help runners improve their speed and power. All you need is 30 minutes.

These 4 Benefits of HIIT for Runners Will Convince You to Add It to Your Routine ASAP High-intensity interval training can help overall fitness and athletic performance. Here's the best HIIT ...

HIIT workouts have been shown to be best for boosting memory in older adults, compared to moderate and low-intensity exercise. Here's how.

HIIT effectively improves health outcomes in obese teens, enhancing fitness and metabolic health while reducing body fat and ...

3 ways to turn your walk into a HIIT workout If you're taking your walk outdoors, here's a fuss-free way to dial up the intensity without needing additional equipment or trackers. The routine ...