In TODAY.com's Expert Tip of the Day, a trainer explains how incorporating HIIT into a weekly workout routine can boost one's metabolism and help with weight loss.

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

Of all the fitness trends that defined the '80s, step aerobics ruled the home workout scene. While gym bros were busy pumping iron, this was the original way to “get your steps in.” Though step ...

This bodyweight HIIT workout takes only 10 minutes featuring cardio-intensive exercises like squats, lunges, jumping jacks, ...

Kim Kardashian gushed over her updated workout routine, which includes several forms of sweat-inducing exercises like weight ...

Planet Fitness is celebrating National Women’s Health & Fitness Day by inviting women to recall that exercise does not have to be daunting or ...

It’s tricky to say exactly what the benefits of Housework's specific series of exercises and class flow produce. However, ...

Looking for a workout that has speed, strength, and power wrapped into one? Try high-intensity interval training (HIIT), a method that packs a punch in a shorter amount of time compared to other ...

The higher-intensity interval helps to increase the work output you can sustain, which is also known as your functional ...

HIIT can deliver an incredibly productive sweat session, but it’s not always the best fit for those 45+. The good news is there are other effective ways to melt stubborn body fat. We spoke with ...