High-intensity interval training is one of the best ways to pack a lot of exercise into a short period of time. HIIT workouts ...

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 ...

Most quick cardio regimens for weight loss involve high-intensity interval training (HIIT) that leaves you gasping for air. And while they're fantastic for conditioning and dropping fat, all that ...

You’ve probably heard fitness experts debate whether high-intensity interval training or low-intensity cardio is better for ...

However you do it, what makes HIIT work is the intensity. You’re going hard—typically as hard as you can—for a short period of time, then resting for a length of time that’ll let you recover to go ...

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 ...

"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 ...

Trainers explain what an AMRAP workout is, plus the health and fitness benefits of doing AMRAP workouts, and how to put AMRAP ...

Higher intensity activities are also great cardio exercises for women over 40 and can “give you a quicker bang for your buck” ...

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 ...

Many of us think that hours of cardio, such as running or cycling, is the answer to losing weight. This perception ignores ...

Boxing for fitness builds strength, endurance, and mental focus. Discover how this full-body workout delivers cardio benefits and stress relief.