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

Torch your muffin top with 9 expert-backed HIIT moves that burn fat, boost metabolism, and sculpt your waist in 15 minutes.

Perfect for all fitness levels — this 20-minute HIIT workout combines power and endurance to sculpt your body fast!

You can reap the many health benefits of HIIT by exercising for a shorter — yet more intense — period of time.

Let’s be honest: Weight loss is hard. This is true for everyone, but it’s especially true for women, who typically have more body fat and less muscle mass than men. As a result, we burn fewer calories ...

Torch calories and sculpt your legs with this high-intensity dumbbell HIIT routine! No gym needed — just grab your dumbbells ...

Interval running condenses the powerful effects of regular running into shorter, high-intensity bursts. Research shows it can ...

If you are looking for a way to change up your routine, opt for these HIIT workouts that you can do at-home without equipment. Everyone from sports medicine docs, to fitness buffs to cardiologists are ...

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, ...

Fitness enthusiasts across the globe are smitten by the benefits of performing High-Intensity Interval Training (HIIT) regularly. It has been deemed as one of the most effective workouts, which can ...

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.