Greg doing a Preacher Curl March 9, 2008 by Cathe Friedrich In the above picture Greg performs a dumbbell preacher Curl on a Stability Ball in STS. Categories: Behind The Scenes, Blog, STS, STS Mesocycle #1Tags: cathe, dumbbell preacher curl, exercise dvds, fitness dvds, mesocycle 1, STS, weightlifting dvd, workout dvds Leave a Comment Related PostsCedie Using Elastic TubingMarch 17, 2008Concerned Because Your Knees Make Noises When You Squat?December 21, 2014Strength Training Versus Endurance Training: Which is More Effective for Weight Loss?May 3, 2015