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.

When you picture the typical high-intensity interval training (HIIT) workout, a handful of go-to exercises likely come to mind: burpees, squats, lunges, mountain climbers, jumping rope, and sprints on ...

In simple terms, the 30-20-10 workout involves 30 seconds of low-intensity activity, 20 seconds of moderate-intensity activity, followed by 10 seconds of high-intensity activity. And although we’re ...

If cardio seems more like a chore and less like a fun sweat session, this 10-minute HIIT workout can help you switch it up. Presented by Allegra, this high-energy routine is a quick way to get your ...

Stop viewing exercise as a solitary chore. By embracing group activities like HIIT, you harness the power of social ...

Team-building is taking on a new form, with companies adding high-intensity team workouts to their list of corporate ...

We're definitely fans of exercise snacking, but sometimes nothing but a long, sweaty workout will do — and if that's what you're craving, this 45-minute high-intensity interval training workout with ...

Two main categories of workouts are high-intensity interval training (HIIT) and low-intensity steady state (LISS). Both can improve your cardio fitness, but with different pros and cons. That said, ...

People who’ve had a stroke might worry about pushing themselves hard at the gym. New research suggests high intensity interval training (HIIT) can do more to improve fitness than moderate-intensity ...

New research from Edith Cowan University shows that a single bout of weight training or HIIT can boost anti-cancer myokines and reduce breast cancer cell growth in survivors.

As a health and fitness writer, I know how vital exercise is for my body and brain. I follow the research and studies, and when HIIT (high intensity interval training) entered the lexicon in the 2010s ...