
AO Fracture Classification System
Introduction to Fracture Classification Systems AO fracture classification system help orthopedic surgeons diagnose, plan treatment, and predict outcomes for bone injuries. While many eponymous systems exist for specific fractures, the AO Foundation (Arbeitsgemeinschaft für Osteosynthesefragen) developed a universal, alphanumeric classification system—now widely adopted by groups like the Orthopaedic Trauma Association (OTA). This guide explains the AO fracture classification system, covering diaphyseal (shaft) and metaphyseal (joint-related) […]
