Brachial Plexus Injuries: A Comprehensive Approach” provides an in-depth overview of brachial plexus injuries, from foundational anatomy and epidemiology to advanced surgical management. The chapter outlines mechanisms of injury, clinical examination protocols, and the role of electrodiagnostic and radiographic tools in diagnosis. Surgical strategies are detailed with emphasis on adult traumatic injuries, nerve root involvement, and tailored management of complete and partial palsies—including brachial plexus birth palsy. The chapter also addresses delayed presentations and secondary reconstructive procedures. By integrating clinical expertise with evidence-based practices, this work serves as a practical and authoritative guide for clinicians and researchers navigating the complexities of brachial plexus injuries