Group Shot of Concentration Curls July 13, 2007 by Cathe Friedrich A group shot of concentration curls in Boot camp. Categories: 4-Day Split Series, Behind The Scenes, BlogTags: 4 day split, boot camp, cathe, fitness dvds, Higher Intensity Step, kickbox, Lower Intensity Step Leave a Comment Related Posts5 Ways To Prevent Muscle Aging and How to Slow the ProcessApril 25, 2021Workout Blender TutorialOctober 26, 2010A Single Moment Can Change Your Life by Liz BalmerFebruary 27, 2016