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

In less than 20 minutes, you can sculpt your arms and abs with this upper body dumbbell workout, all while getting your heart ...

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

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 ...

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

Edwards packs 4 rounds of 10 exercises into this 30-minute HIIT-style workout, with brief “active break” periods between each round. All of the exercises take 30 seconds followed by 10 seconds of rest ...

I f you have less than 20 minutes, you have all the time you need to get toned from head to toe with this total body dumbbell ...

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

In fact, this program is one of the most efficient and effective ways to exercise, she adds, because after each 20-minute HIIT workout, you'll reach excess post-exercise oxygen consumption (EPOC).

Edwards packs 4 rounds of 10 exercises into this 30-minute HIIT-style workout, with brief “active break” periods between each round. All of the exercises take 30 seconds followed by 10 seconds ...