Robert performs a chin up April 20, 2008 by Cathe Friedrich Robert performs a chin up during STS Meso #1 – Back and Triceps. Categories: Behind The Scenes, Blog, STS, STS Mesocycle #1Tags: cathe, chin up, exercise dvds, fitness dvds, mesocycle 1, STS, weightlifting dvd, workout dvds Leave a Comment Related PostsIs Staying Lean Harder Than It Was 30 Years Ago?October 18, 20156 Health-Saving Facts You Should Know Before Taking SupplementsMarch 25, 2018Dumbbell Bicep CurlsJuly 13, 2007