Carry that caboose with confidence.
Andrew Richard / Jon Premosch / BuzzFeed
From helping you walk up stairs to aiding in the stabilization of your pelvis, your butt does a whole lot of important stuff. That’s why it’s so critical to have a strong backside – and why we teamed up with Lauren Williams, fitness instructor and head coach at Tone House, to create a unique 30-day plan to help you develop your derriere. Sign up and we’ll automatically email you with all the details you need to complete the challenge.