Volume I focuses on the center of the body including all the muscles in the torso. It introduces the Thera-Band®, a simple elastic device that helps achieve optimal output for each exercise by maximizing your exercise time and energy. The following exercises are demonstrated and described: Abdominal: The Ice Cream Scooper, Abdominal Rotation, Abdominal Combination, Ilio-Psoas Stretch, Leg Stretch, Spinal Chain. P.N.F.: The Infinity Symbol, Half Moon Twist, Laterals, Body Builder, Archer. Bow, Deep Rotation, Deep Rotation of the Upper Torso, Pearl Necklace.