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 PostsCan High-Volume, Low-Intensity Weight Training Build Muscle Mass?July 6, 2014Can Vitamin D Improve Your Body Composition?February 19, 20175 Dietary Habits That Could Be Sabotaging Your SleepJune 20, 2021