Weighted Roll Backs April 1, 2008 by Cathe Friedrich Cathe doing Weighted Roll Backs during STS Ab Circuits Categories: Ab Circuits, Behind The Scenes, Blog, STSTags: Ab Circuits, cathe, exercise dvd, fitness dvd, STS, Weighted Roll Backs, workout dvd Leave a Comment Related PostsThe STS Towers Have Arrived!September 14, 2009DVDs Are Shipping!October 15, 2007The Strange Ingredient in Apples That May Help with Muscle HypertrophyJuly 1, 2018