This book discusses disorders affecting the hip joint as well as its related structures, to help orthopedists develop an integrated way of thinking, and improve their decision-making strategies and treatment skills. The specific anatomy of the hip joint and the related structures provides vital motor functions. It also presents a challenge for orthopedists in terms of early diagnosis of disorders, which is essential for appropriate and effective treatment. The first part of the book provides a step-by-step introduction to intra-articular and abarticular hip disorders in both adults and children. It then describes the techniques and practicalities of managing various conditions in detail, presenting stereoscopic chromatic line drawings along with intraoperative illustrated figures. By demonstrating the regional anatomy, pathophysiology and related disorders in hip region, this book helps readers gain an understanding based on basic science and clinical research. It also offers instructive guidance to learners at different levels, including orthopedists, general practitioners and rehabilitation practitioners.