The term 'yoga butt' is no joke—just check out the Down Dogs around you in almost any class. Sure, the right strengthening gets you moving, so you say that while lengthening your muscles and making them work harder. Do you want on a strong butt? Incorporate the yoga-inspired moves below into your routine, and you'll be well on your way to whatever you've been on. These moves work your glutes, legs, core and back and leave you feeling stronger.