Defy Gravity: Your Butt-Sculpting Workout

Defy Gravity: Your Butt-Sculpting Workout Plan Make over your backside with these lifting, toning, and shrinking butt exercises. This tush-targeted workout takes the science of how to tone the three muscles in the glutes to the maximus. Do all nine exercises for a 360-degree shape-up or pick a few based on your particular trouble spot