Modified V-Sits with Med Ball March 31, 2008 by Cathe Friedrich Robert doing Modified V-Sits with Med Ball during STS Ab Circuits. Categories: Ab Circuits, Behind The Scenes, Blog, STSTags: Ab Circuits, cathe, exercise dvd, fitness dvd, Modified V-Sits with Med Ball, STS, workout dvd Leave a Comment Related PostsWhy It Isn’t Important to Know a Food’s Glycemic IndexApril 16, 2012The Two Types of Fiber and How to Get More of Each in Your DietFebruary 19, 2012What Causes Exercise Addiction?February 9, 2020