The classic text by the leading expert on patellofemoral joint disorders is now in its thoroughly updated Fourth Edition, presenting comprehensive, current guidelines on the diagnosis and nonoperative and operative treatment of these common and controversial disorders. Highlights of this edition include revised chapters on imaging and arthroscopy of the patellofemoral joint and expanded coverage of nonarthritic anterior knee pain, patellar subluxation, patellar dislocation, articular cartilage lesions in patellofemoral pain patients, and surgical treatment of patellofemoral chondrosis and arthrosis. The concise and readable text is enhanced by more than 400 illustrations.