I ditched cardio for HIIT workouts for 30 days. The shocking results transformed my fitness, energy, and body. Discover all ...

You need more than just slow and steady jogs to get faster. Here's how use another type of training in your routine ...

Discover how Dance HIIT workouts combine fun choreography with high-intensity intervals to maximize calorie burn, boost metabolism, and achieve fat loss in less time. Perfect for dance lovers!

Low-intensity exercise is thought to be better for keeping this “stress hormone” in check. But scientists say cortisol plays ...

Set up interval training workouts the right way with these expert tips. But instead of putting together a 30-minute, non-stop workout, break up your program into shorter all-out intervals with ...

Get Healthy. No matter your slalom style, circuit or scene, here’s why you should consider clipping in, or stepping into, ...

HIIT WORKOUTS DEMAND that you give your all. You might find that you have a hard time pushing to your limits on your own—so you'll get closer to achieving your goals when you have a world class ...

You’ll find everything from strength training and HIIT to outdoor running and yoga. You can work out in real time with expert instructors and other members from around the world or take a ...

At 68, Orangetheory founder Ellen Latham has bounced back from two knee replacements and isn't slowing down, thanks to ...

Yann Magnan does twelve fitness classes a week, runs, and has a biennial physical. He broke down the costs for Business Insider's Fitness Money Diaries.