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

You'll need more than just crunches to build a strong, functional core. Try these moves to upgrade your workouts.

Welcome to a high-energy ab workout that will leave you feeling strong and sculpted. High-intensity interval training (HIIT) is the perfect blend of cardio and strength training. When you focus on ...

HIIT workouts, or high-intensity interval training, are one of the best ways to exercise at home — no extra equipment ...

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 ...

Try this knee-friendly 35-minute workout, requiring no equipment, designed to burn calories and build strength safely.

To get abs you need to incorporate more aerobic and core-strengthening exercises in addition to eating a healthy diet.

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

The best HIIT exercises vary from person to person. Building a routine suited to your individual preferences, abilities, and fitness goals is the key to success. High intensity interval training (HIIT ...

For the past decade, high-intensity interval training has been among the top 10 fitness trends every year, according to the American College of Sports Medicine. During a HIIT workout, you pair short ...

This article explores Barry's Bootcamp, the intense HIIT workout favored by supermodels and celebrities. It details the class format—a 50/50 split between treadmill interval cardio and floor strength ...