Sleeping, Sitting and Standing Posture can change how your brain functions! The key to good posture is the position of your spine. Your spine has three natural curves - at your neck, mid back, and low back. Correct posture should maintain these curves, but not increase them. Your head should be above your shoulders, chin up , chest up and the top of your shoulder should be over the hips. Dr. Fred Clary, founder of Functional Analysis Chiropractic Technique and lifting/life coach/ gym-chalk covered philosopher introduces a subject that is often over looked ...posture!