Curls on a Stability Ball. July 13, 2007 by Cathe Friedrich Cathe and Jai work their biceps on a stability ball using heavy dumbbells in Boot Camp. Categories: 4-Day Split Series, Behind The Scenes, BlogTags: 4 day split, boot camp, cathe, exercise dvd, Higher Intensity Step, kickbox, Lower Intensity Step Leave a Comment Related PostsWhat is Gluteal Amnesia?December 28, 2014Should You Exercise Twice a Day?April 24, 2011XTrain SuperCuts Workout TimeOctober 26, 2012
