Side Lying Crunches on Ball March 31, 2008 by Cathe Friedrich Denise doing Side Lying Crunches on a ball during STS Ab Circuits. Categories: Ab Circuits, Behind The Scenes, Blog, STS Leave a Comment Related PostsShape Magazine Reviews Butts and GutsDecember 6, 2006Why You Might Need More Sunlight Than You’re Probably GettingJune 3, 2012Garlic Broccoli with ShrimpMay 6, 2011