Shoulder Work (Last Updated On: July 4, 2009) Cathe and crew do rear dumbbell flys while working shoulders during the filming of Lower Intensity Step. Post navigation Lower Intensity Step – Shoulder WorkLower Intensity Step – Core Work Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Save my name, email, and website in this browser for the next time I comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.