45 Degree Plate Slide Ins April 1, 2008 by Cathe Friedrich Cathe and Lorraine doing 45 Degree Plate Slide Ins during STS Ab Circuits Categories: Ab Circuits, Behind The Scenes, Blog, STSTags: 45 Degree Plate Slide Ins, Ab Circuits, cathe, exercise dvd, fitness dvd, STS, workout dvd Leave a Comment Related PostsWhy BMI Isn’t Always a Good Measurement of FitnessJuly 17, 2011How Does Training Frequency Affect Muscle Growth?February 22, 2015Are the Joint Aches You’re Experiencing Due to Arthritis?April 22, 2018