Working up a Sweat! July 13, 2007 by Cathe Friedrich Cathe, Brenda and Lorraine work up a sweat during the filming of 4Day Split – Boot Camp Categories: 4-Day Split Series, Behind The Scenes, BlogTags: 4 day split, boot camp, cathe, Higher Intensity Step, kickbox, Lower Intensity Step, workout dvds Leave a Comment Related PostsExploring the Complexities of Vegetable Oils: Why They May Not Be Your Heart’s Best CompanionSeptember 24, 2023Two Ways Vitamin D Affects FitnessNovember 29, 20205 Signs You’re Not Lifting Heavy Enough and It’s Limiting Your GainsMarch 3, 2019