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 PostsCathe’s September 2021 Workout RotationSeptember 2, 2021Beyond Sports Drinks: 6 Healthier Ways to Replenish Electrolytes During ExerciseJuly 16, 2023Beyond Meat and Dairy: The Best Non-Meat Sources of ProteinJanuary 29, 2012