This book provides a comprehensive overview of the current status of shoulder instability treatment with a focus on complex and revision scenarios. Published in cooperation with the ISAKOS Shoulder Committee, it addresses controversial issues such as the first episode of instability, the presence of bone defects, and instability in high-demand athletes. The book also focuses on managing complications and treatment failures, offering a thorough understanding of the latest concepts in shoulder instability. Authored by leading specialists from around the world, this book combines the diverse clinical experiences and expert opinions of its contributors with the latest research data. The coverage includes challenging pathologies such as bone defects, HAGL lesions, unstable painful shoulders, posterior instability, and shoulder instability associated with hyperlaxity, rotator cuff issues, or epilepsy. Readers will find detailed descriptions of soft tissue and bone defect management, arthroscopic and open stabilization techniques, as well as recently developed bone transfer techniques. The book is richly illustrated and includes several case studies presented by renowned experts. "Complex and Revision Problems in Shoulder Instability" serves as a valuable resource in the daily practice of shoulder surgeons, physiotherapists, other shoulder practitioners, and residents alike.