Are you looking to kick off a new fitness routine or simply make yours a little better? Our 60 Seconds To Fit video series is here to help. "Each exercise targets multiple muscle groups," says celeb trainer Sadie Kurzban. This short clip breaks down exactly how to do skaters. The move works your glutes, quads, and hamstrings and gets your heart rate up, too. Keep your back flat and your shoulders back. If you're having trouble staying balanced, pick a point on the wall in front of you to focus on. It's gold medal time!