Brenda doing a Dumbbell Preacher Curl February 18, 2008 by Cathe Friedrich Brenda doing a dumbbell preacher curl on a stability ball during an STS rehearsal. Categories: Behind The Scenes, Blog, Rehearsals, STSTags: cathe, dumbbell preacher curl, exercise dvds, fitness dvds, rehearsal, STS, weightlifting dvd, workout dvds Leave a Comment Related PostsHow ATP Affects Your WorkoutOctober 16, 2011Balsamic Glazed SalmonMarch 31, 2012Are Bent Over Rows Hard on Your Back?December 15, 2019