And yet, as great as the squat is, it can be improved upon—and that’s exactly what fitness expert and 28-Day Challenge coach Chris Freytag did with this multitasking variation. It adds an upper body toner to the already stellar butt benefits to create an exercise that not harder; it’s just smarter. Ready to try it? Watch the video to learn how to perform the multitasking squat with perfect form. ​ ​ MORE: How Yoga Makes You Skinny (Infographic)