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

Step workouts dominated group fitness classes for a solid decade, with many enthusiasts using a home model in conjunction with a collection of fuzzy VHS tapes. But the fitness world is fickle, and ...

High-intensity interval training is one of the best ways to pack a lot of exercise into a short period of time. HIIT workouts are so efficient because they alternate short bursts of very intense ...

The purpose of high-intensity interval training (HIIT) is to challenge the body by frequently changing the intensity of the exercise and the type of movement you are doing. For example, adding a set ...

WHETHER YOU'RE A group fitness junkie or just exercising to be healthy and active, you've doubtlessly taken on a HIIT workout. It's one of the catchiest four-letter terms in the entire exercise world, ...

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 ...

Like other HIIT workouts, the Norwegian 4x4 consists of brief spurts of high-intensity exercise interspersed with active ...

High-intensity interval training (HIIT) is a cardiorespiratory training technique that involves short bursts of intense exercise followed by even shorter rest periods. You repeat this cycle several ...

Welcome to Start TODAY. Sign up for our Start TODAY newsletter to join the 31-day challenge and receive daily inspiration sent to your inbox. The purpose of high-intensity interval training (HIIT) is ...