Dumbbell Bicep Curls July 13, 2007 by Cathe Friedrich Biceps and Triceps heavy weight work is included in 4 Day Split Cardio and Weights. 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 PostsStrength Back by SarahNovember 15, 2010New Affiliate ProgramApril 16, 2010Xtrain Chest,Back and Shoulders Workout TimeOctober 27, 2012