Chapter 1. Biomechanics of the Knee (Jeong Ku Ha).- Chapter 2. Understanding the Complex Anatomy of the Knee (Dhong Won Lee).- Chapter 3. Subjective and Objective Assessments of Knee Function (Dhong Won Lee).- Chapter 4. Evolution of ACL Reconstruction (Freddie H. Fu).- Chapter 5. ACL - Current Understanding of ACL insertion Rainer Siebold).- Chapter 6. High-grade Pivot Injuries & Quantitative Evaluation of Degree of Instability (Hua Feng).- Chapter 7. Surgical Techniques of ACL Reconstruction: B. Trans-tibial Technique (Myung Chul Lee).- Chapter 8. Surgical Techniques of ACL Reconstruction: A. AM Portal Technique (Joon Ho Wang).- Chapter 9. Surgical Techniques of ACL Reconstruction: C. Outside-in with Remnant Preservation Technique (Jin Goo Kim).- Chapter 10. The role of Anterolateral Ligament Reconstruction in Anterior Instability (Betrand Sonnery-Cottet).- Chapter 11. Revision ACL Reconstruction (Kyoung Ho Yoon).- Chapter 12. Rehabilitation and Return to Pports after ACL Reconstruction (Dhong Won Lee).- Chapter 13. Anatomy and Function of the PCL (Jongkeun Seon).- Chapter 14. Posterior Cruciate Ligament Surgical Techniques (Ronald A. Sismondo).- Chapter 15. Combined Injury - Posterolateral Rotational Injury (Yong Seuk Lee).- Chapter 16. Meniscal Injury and Surgical Treatment: Meniscectomy and Meniscus Repair (Ji-Hoon Bae).- Chapter 17. Discoid Lateral Meniscus (Sang Hak Lee).- Chapter 18. Ramp Lesions (Romain Seil).- Chapter 19. Root Tear : Epidemiology, Pathophysiology and Prognosis (Byounghun Min).- Chapter 20. Root Tear: Surgical Treatment and Results (Kyu Sung Chung).- Chapter 21. Meniscus Allograft Transplantation: Basic Principle (Seong-Il Bin).- Chapter 22. Delayed Rehabilitation after Meniscal Allograft Transplantation (Dhong Won Lee).- Chapter 23. Meniscus Allograft Transplantation: Surgical Technique (Alan Getgood).- Chapter 24. Basic and Current Understanding of Articular Cartilage (Hyuk-Soo Han).- Chapter 25. Cartilage Repair with Autogenous Cells (Ho Jong Ra).- Chapter 26. Cartilage Repair with Collagen Gel (Seok-Jung Kim).- Chapter 27. General Concepts for Patellofemoral Instability (Ki-Mo Jang).- Chapter 28. Surgical Treatment of Medial Patellofemoral Ligament Reconstruction (Sung-Hwan Kim).- Chapter 29. Basic Principle Including Ideal Targeting Point of High Tibial Osteotomy (Yong In).- Chapter 30. Surgical Treatment and Overcoming Complications of High Tibial Osteotomy (Jaedoo Yoo).- Chapter 31. Minimum Correction of High Tibial Osteotomy with Medial Meniscus Centralization (Hideyuki Koga).- Chapter 32. Distraction Arthroplasty for the Advanced OA (Nobuo Adachi).