Abs Pilates March 30, 2008 by Cathe Friedrich Cathe doing a V-Sit during STS Ab Circuits. Categories: Ab Circuits, Behind The Scenes, Blog, STSTags: Ab Circuits, cathe, exercise dvd, fitness dvd, STS, V-Sit, workout dvd Leave a Comment Related PostsAge-Defying Training Techniques: More Than Just StrengthAugust 20, 2023Cathe’s June 2016 Workout RotationJune 3, 2016Veggie RavioliOctober 7, 2011