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 PostsNine Amazing Health Benefits of Green PeasSeptember 16, 2012Can Resistance Training Lower Blood Pressure as Much as Aerobic Exercise?April 18, 2021Lorraine’s BioAugust 18, 2006