Let's face it: finding time to get your sweat on can seem downright impossible on a busy day. But even the most schedule-packed people can squeeze in a beneficial workout! Thanks to technology and awesome fitness gurus, it's easier than ever to get your heart rate up on your own terms, in your own house. If you're looking for fun dance-cardio routines that won't feel exactly like work, you've come to the right place! Get ready to feel the burn with some of the most popular YouTube videos.