Side Plank March 30, 2008 by Cathe Friedrich Cathe, Lorraine and Robert doing a Side Plank during STS Ab Circuits. Categories: Ab Circuits, Behind The Scenes, Blog, STSTags: Ab Circuits, cathe, exercise dvd, fitness dvd, Side Plank, STS, workout dvd Leave a Comment Related PostsIs Resistance Training Better Than High-Impact Aerobics for Bone Health?February 4, 2018How Many Doughnuts Are Hidden in Your Diet: A Sugar Analysis of “Healthy” FoodsDecember 22, 2013Spinach and Black Bean Veggie EnchiladasOctober 7, 2011