in Workout Plans Workout : Better-Butt Challenge Day 17: for today's workout, all you need is a mat and… May 23, 2017, 4:46 am 1.7k Views Fitness and Workout Plans Illustration Description Better-Butt Challenge Day 17: for today's workout, all you need is a mat and your floor. We like to call this our Lazy-Girl Workout. 19 shares