This document outlines key topics from a Pilates instructor training workshop, including breathing techniques, closed chain vs. open chain exercises, and proprioception. It discusses the mechanics of breathing and muscles involved. The Pilates breath focuses on using back muscles to expand the ribs while engaging the abdominals. Closed chain exercises involve fixed joints and isolated muscle contraction, while open chain uses multiple moving joints and co-contraction. Essential exercises covered are articulated bridges, skull clock, head float, and prone.