This standing cardio workout is low-impact, no-repeat and doesn't include squats or lunges. Here's how to do it without any equipment.

But to get the benefits of HIIT, you need to be ready to work hard. A true HIIT session involves short bursts of intense ...

HIIT workouts can boost your metabolic rate (helping you burn more calories throughout the day). And science backs up this ...

Sprint interval training, or SIT, is super trendy right now. It’s a great way to improve your running speed and to get in a ...

Dance it out and sweat with this cardio combo featuring body rolls, squats, and plenty of high-impact exercise.

Start getting stronger and sweat smarter with this fast-paced lower body bodyweight workout, which is part of the Women’s ...

Place the kettlebell on an exercise mat (and be sure to use one if you have a hard floor surface), then adopt a high plank ...

Discover how this comprehensive 7-day HIIT program maximizes fitness gains through expert-designed workouts and evidence-based recovery strategies.

“Excluding a warm-up, HIIT usually lasts for a maximum of 20-30 minutes, and instead of working to sets and reps, you are working for a time limit – as hard and as fast as you can.” This ...