Shoulder Work July 11, 2007 by Cathe Friedrich Cathe and crew do rear dumbbell flys while working shoulders during the filming of Lower Intensity Step. Categories: 4-Day Split Series, Behind The Scenes, BlogTags: 4 day split, boot camp, cathe, fitness dvds, Higher Intensity Step, kickbox, Lower Intensity Step, workout dvds Leave a Comment Related PostsTen Fascinating Health Benefits of OrangesJanuary 13, 20135 Surprising Health and Fitness Benefits of Doing PlanksJuly 21, 2019STS Tower UpdateAugust 31, 2009