High-intensity interval training involves performing an all-out, exhaustive physical effort for a short time followed by a short (sometimes active) recovery. Its benefits are clear: Effective HIIT ...

This 15-minute HIIT ab workout helps you get the most core-strengthening benefits from every rep by focusing on time rather than reps. Long sessions at the gym have their place, but when it comes to ...

This fun workout combines high intensity interval training (HIIT) with energizing movements inspired by Caribbean dance. Led by Selena Watkins, founder of Socanomics, and assisted by Tiff Marie on the ...

You've likely heard all about the benefits of exercise for your heart, lungs and blood sugar. Basically, it does the whole body—and mind (thanks, endorphins!) good. However, you may have stopped using ...

For the past decade, high-intensity interval training has been among the top 10 fitness trends every year, according to the American College of Sports Medicine. During a HIIT workout, you pair short ...

Les Mills Sprint applies HIIT principles to spinning for days when you're riding solo. Try this simple 15-minute workout you can do at the gym. High Intensity Interval Training (HIIT) has been ...

If you want to become a fitter and faster runner, especially if you have a target race in mind, the best thing that you can do is select and follow a structured training plan that aligns with your ...

The cardio world has split into two passionate camps that argue with the intensity of people debating pineapple on pizza. On one side, you have the HIIT devotees who swear by short, brutal workouts ...

It bears out past research. Studies in the past have found that high-intensity interval training can boost testosterone levels in men. New research published in the Endocrine journal broke down just ...