In Pilates your Centre refers to the core of you body and the body's Centre of gravity. For anyone who may have forgotten what exactly makes up the core, please read Your core muscles are like a tin can . When thinking about the body's Centre of gravity. This is an imaginary point where the body's weight is equally balanced, and around this point the body may rotate freely. As we are all individually built, our Centre of gravity is unique to us. You will find the the Centre of gravity for a man is slightly higher than for a woman. Lets think about completing the perfect roll down: Starting sat up, knees bent to ceiling, legs and feet hip width apart on the floor. You squeeze your core, roll your pubic bone towards the ceiling and your back pockets start to come closer to the mat. You place your back pockets, then your waist band, each of your ribs and finally your shoulders and head onto the mat in a controlled sequence, keeping your head in line with you torso. I