Cathe, Lorraine and Robert March 31, 2008 by Cathe Friedrich Cathe, Lorraine and Robert doing a One Legged Sit-up with Ball during STS Ab Circuits. Categories: Ab Circuits, Behind The Scenes, Blog, STSTags: Ab Circuits, cathe, exercise dvd, fitness dvd, One Legged Sit-up with Ball, STS, workout dvd Leave a Comment Related PostsAcorn Squash Soup with Turkey MeatballsSeptember 30, 20117 Kitchen Gadgets That Make Prepping Vegetables SuperfastJune 30, 2024Swim*Bike*Run…with STS Muscle! by ShanaJune 1, 2010