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.

Side Lunges, High-Intensity Interval Training Outdoors. Time is a precious commodity these days, and carving out a couple of hours for a workout every day or even a few times a week isn't something ...

All runners know that cross-training is essential — but forcing themselves to actually do it can be a struggle. That's why we love this circuit led by fitness instructor Ashley Joi. It's actually the ...

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 ...

High-intensity interval training (HIIT) has been all the rage for quite some time. And for good reason, considering it offers a time-efficient way to get fit, particularly for runners who don’t have ...

Workout trends come and go, but when it comes to the biggest bang for your buck, high intensity interval training, or HIIT, has staying power. HIIT’s specific origins are uncertain; some say it dates ...