HIIT workout founded by a Japanese Olympic coach that uses periods of intense exercise and rest to burn calories.

Cardio exercises have major benefits for your heart, as you probably know. What's more, aerobic exercise can boost your brain health and can even reduce the risk of death. Running is the workout most ...

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 ...

During moderate-intensity cardio, your heart rate will typically fall between 60 to 70 percent of your maximum heart rate ...

Cardio exercises like swimming, HIIT, walking, cycling, jumping rope can strengthen your muscles, reduce body fat, and help ...

We all grow older. There is nothing we can do about that, but the quality of those years is within our control, as recent ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." IF YOU’RE LOOKING for a style of workout that will push you to your limits without needing to exercise ...

Welcome to Class Fitsugar's newest season! We're back in the studio, and our new trainer Natalie White will be leading you through a 30-minute cardio HIIT workout, joined by Paulyn Baens and Maya ...

I often hear from people who tell me how hard they are working to get lean and toned, but they just aren't seeing results. Here's the harsh truth: the word "toned" essentially means "muscle," and you ...

It's easy to meet the CDC's 75-minute high intensity activity goal with these three 25-minute HIIT workouts. When we work out, our bodies release cortisol because “exercise essentially is a controlled ...

Two main categories of workouts are high-intensity interval training (HIIT) and low-intensity steady state (LISS). Both can improve your cardio fitness, but with different pros and cons. That said, ...

Interval training is great for boosting cardiovascular endurance and promoting overall fitness. Our fitness expert, Judd NeSmith, NASM-CPT, PES and founder of Serious Fitness, explains interval ...