Imagine driving a car and constantly switching between the gas pedal and brake. You waste a lot of fuel, which is a great way to slim down. And unlike steady exercise, which mostly builds endurance, ...

This workout from fitness influencer Heather Robertson is just a half hour but hits every muscle you’d want to target. This full body HIIT workout will target every major muscle group and get that ...

Luckily, you don't have to be a pro athlete or an experienced fitness buff to do a HIIT workout. There are plenty of low-impact options for beginners on YouTube, which means they all still torch ...

Workout trends come and go, but when it comes to the biggest bang for your buck, high intensity interval training, or HIIT, has staying power. HIIT’s specific origins are uncertain; some say it dates ...

High-intensity interval training—HIIT for short—is an important part of many training programs, and for good reason. Making interval training a regular part of your fitness regimen provides a laundry ...

If you’re on the hunt for training techniques that prioritize speed, cardio and actually keeping you entertained and engaged, you can’t go wrong with High Intensity Interval Training (HIIT) workouts.