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 PostsHow Your Gut Microbiome Changes with Age and How It Impacts Your HealthMarch 5, 2017Are Nightshade Vegetables Unhealthy?November 11, 2018Exercise and Music: How the Right Tunes Can Improve Your PerformanceSeptember 22, 2013