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 PostsCreate Healthier Home-Made Pizza Your Family Will LoveJanuary 22, 2012What You Should Know about the Healthy Fats in NutsNovember 14, 2021Knee Health: Are You at High Risk for Knee Osteoarthritis?January 4, 2015