Rock Side To Side on Ball March 31, 2008 by Cathe Friedrich Cathe, Lorraine and Robert doing a “Rock Side To Side on Ball” during STS Ab Circuits. Categories: Ab Circuits, Behind The Scenes, Blog, STSTags: Ab Circuits, cathe, exercise dvd, fitness dvd, Rock Side To Side on Ball, STS, workout dvd Leave a Comment Related PostsWhat Are the Best Exercises for the Hamstring Muscles?December 16, 2018Gluten Free Chicken QuesadillaApril 2, 2011Food Cravings: How They Differ Between Women and MenDecember 2, 2012