High-intensity interval training (a.k.a., HIIT) is a triple threat: “It’s quick, easy, and effective,” says Angela Gargano, a certified trainer and creator of Strong Feels Good & Pull-up Revolution.

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

High-intensity interval training will keep you moving toward your health goals this holiday season — without requiring a ton of time!

Get a complete full-body workout at home with this HIIT routine! Combine strength training and cardio to burn calories, tone ...

Try this full-body standing HIIT workout—no equipment needed! Burn fat, boost endurance, and tone muscles in a quick, ...

If you've bought into the hype and you don't need to do anything other than High-Intensity Interval Training (HIIIT) to stay healthy and fit, there’s a good chance you're missing out on your goals and ...

Turns continuously engage your core, quads, glutes and stabilizer muscles while also ramping up cardiovascular work. Quick ...

In HIIT workouts, you're tasked to complete cardio and strength-building exercises such as lunges, jumping jacks, squats, and burpees, with short periods of rest in between. When practiced correctly ...

Since the pandemic forced numerous gyms across the country to close, I’ve definitely noticed more at-home workouts populating my Instagram feed. Many are HIIT workouts, which basically involve ...

High Intensity Interval Training is far from a new workout craze, but its worth may be higher than ever in the age of COVID-19. Designed to deliver a full-body and cardio results in one's home with ...

High-intensity interval training, better known as HIIT, is a great workout to burn calories in a short amount of time. HIIT workouts last anywhere from 15 to 30 minutes, and because they are, well, ...

Celebrities Britney Spears, Scarlett Johansson, and Jennifer Lopez are all fans of one type of training that is taking the health and wellness world by storm — HIIT. Even trainers like Jillian ...