Those mid-class sprint intervals are tough. But experts break down whether they really get you ready for race day.

As the temperature drops, low-impact cardio workouts can be the way to get your steps in and heart rate up from the comfort ...

When I'm planning my fitness routine, my goal is not to spend as much time as possible sweating. It's exactly the opposite. I want to be ultra-efficient in the gym or my living room and get on with my ...

HIIT safely improves aerobic capacity and muscle endurance in newly diagnosed inflammatory muscle disease patients.

WHETHER YOU'RE A group fitness junkie or just exercising to be healthy and active, you've doubtlessly taken on a HIIT workout. It's one of the catchiest four-letter terms in the entire exercise world, ...

Only have a short window to fit in a workout today? No worries. In just 10 minutes, you can get your heart rate up and strengthen your abs with this two-for-one HIIT ab workout. Reminder: HIIT stands ...

IF YOU’RE LOOKING for a style of workout that will push you to your limits without needing to exercise for hours, you only need to understand one four-letter acronym: HIIT. The term stands for high ...

Exercising regularly is extremely important and should be a part of your daily routine. With dipping temperatures and air quality still in the 'very poor' category, people prefer to stay indoors. But ...

Done correctly, high-intensity interval training is one of the most efficient forms of exercise. Here’s how to do it. By Amanda Loudin Workout trends come and go, but when it comes to the biggest bang ...

Given how popular HIIT workouts have become in the past couple years, chances are good that you've heard about high-intensity interval training and recognize the name. But if you find yourself ...