Greg Performs a Seated Isolation Curl February 25, 2008 by Cathe Friedrich In the above picture Greg Performs a Seated Isolation Curl during an STS rehearsal. Categories: Behind The Scenes, Blog, Rehearsals, STSTags: cathe, exercise dvds, fitness dvds, rehearsal, Seated Isolation Curlworkout dvds, STS, weightlifting dvd Leave a Comment Related PostsObesity Is Common Even in Normal-Weight PeopleAugust 6, 20238 Proven Principles of Exercise Intensity You’ll Find in The STS and XTrain Workout ProgramsDecember 15, 2013How Ignoring Your Biological Clock Contributes to Weight GainJuly 15, 2012