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 PostsMuscle Hypertrophy: How Much Muscle Can a Woman Build Over Time?August 25, 2019Marlo, Jai and CedieJuly 31, 2013The One-Minute Test Sit-and-Rise Test You Can Do at Home That Predicts LongevityNovember 10, 2019