This book of the "Current Problems in Orthopaedics" series aims to provide a comprehensive account of all aspects of osteoarthritis in the young adult hip from incidence, aetiology and the biomechanics of degenerative change to surgical pathology and conservative and radical surgical techniques. Each chapter has been written by a medical authority giving an account of his own work, and that of others in the field. The entire text is fully referenced and illustrated with diagrams, photographs and X-rays.