Are You Working July 14, 2007 by Cathe Friedrich Cathe and Lorraine in 4Day Split Kickbox. Categories: 4-Day Split Series, Behind The Scenes, BlogTags: 4 day split, boot ca chmp, cathe, exercise dvd, Higher Intensity Step, kickbox, Lower Intensity Step Leave a Comment Related Posts3 Healthy Homemade Alternatives to ChipsJanuary 27, 20135 Creative Ways Your Smartphone Can Upgrade Your HealthJuly 30, 2023Is High-Intensity Interval Training More Effective for Weight Loss?March 3, 2019