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 PostsIs a Weak Upper Back Making You Look and Feel Older?January 18, 2015Is Yogurt a Weight Loss Food?September 21, 2014Why You May Need More Vitamin E than You’re GettingJune 11, 2017