If you only have 15 minutes to sweat, it's easy to skip out on a workout. I mean, how much can you really accomplish in 15 minutes, right? Umm, a lot, actually—if you spend them wisely. That's the ...

Massy Arias, a NASM- and ACE-certified personal trainer who has worked with the likes of Jordin Sparks and Kelly Rowland, said that she's a huge fan of circuit training. One of the benefits she ...

Start your fitness journey with this beginner-friendly leg workout! Learn how to strengthen and tone your legs using simple circuits and step ups that you can do at home. #LegWorkout #BeginnerFitness ...

You won't be bored when you do circuit training. This workout gets your heart rate up and strengthens your muscles at the same time. You’ll move quickly through 8-10 exercise stations to work ...

Captain Thomas Tanzosh of the FDNY stopped by "GMA" to demo how they work out. Whether you want to look like the ripped firefighters you may have seen in a calendar or you're just trying to get in ...