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 PostsFeeling Stressed? This B-Vitamin May HelpDecember 26, 2011Do You Need More Iron if You Exercise?April 7, 2024Are Deep Squats Better for Building Strong Glutes?December 29, 2019