Reach and Extend Plank March 30, 2008 by Cathe Friedrich Cathe, Lorraine and Robert doing a Reach and Extended Plank during STS Ab Circuits. Categories: Ab Circuits, Behind The Scenes, Blog, STSTags: Ab Circuits, cathe, exercise dvd, Extended Plank, fitness dvd, STS, workout dvd Leave a Comment Related PostsRep Speed: Are Fast or Slow Reps Better for Building Strength?November 16, 2014How Would You Like to be in Cathe’s Cycle Max Video?May 9, 2011Susan G. Komen Special Edition StepSeptember 22, 2007