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 Posts5 High-Protein Foods with Extra Health and Nutritional PerksOctober 17, 2019What Does Science Say About Standing Desks?March 3, 2024XTrain Legs and Rear DeltsOctober 11, 2012