Alli Kerr’s The 14 Day Perfect Booty Program download in PDF format. The great news is that this is something that can be cured by activating the sleeping muscles. Most people think they have bad butt genetics or too much fat in all the wrong places. They don’t realize that the problem is caused by the angle of the spine which can be manipulated by strengthening an often ignored group of muscles that run form the top of the butt up the back.