Roll-ins with Leg Extensions March 31, 2008 by Cathe Friedrich Cathe doing Roll-ins with Leg Extensions on a ball during STS Ab Circuits. Categories: Ab Circuits, Behind The Scenes, Blog, STSTags: Ab Circuits, cathe, exercise dvd, fitness dvd, Roll-ins with Leg Extensions on a ball, STS, workout dvd Leave a Comment Related PostsStiff Legged DeadliftsApril 5, 2008Do Your Lungs Become Stronger With ExerciseJune 23, 2013Dairy Milk: Are the Health Benefits All They’re Cracked Up to Be?November 30, 2014