A Brief Review of Brauner, Humphreys & Warren (AECC, 2001) In 2001, a student research project at the Anglo-European College of Chiropractic (AECC) explored a clinically important question: Is Sacro Occipital Technique (SOT) categorization valid and reliable when evaluated against postural sway? The study — Brauner S (student), Humphreys K (tutor), Warren M (tutor). Validity and reliability of SOT categorization for postural sway. AECC Project List, 2001 — investigated wheth