Part 1 - Getting started.- Operating setup.- Normal anatomy.- Part 2 –The Menisci.- Meniscal ruptures.- Meniscectomy.- Meniscal preservation.- The osteoarthritic knee.- Part 3- Anterior Cruciate Ligament.- Injury patterns.- Diagnosis and indication for surgery.- Skeletal immaturity.- Graft healing and stump preservation.- The transtibial technique.- The anatomic single bundle reconstruction.- The Double Bundle technique.- The individualized ACL reconstruction.- ACL fixation systems.- ACL Graft Choices.- Part 4 -Revision ACL Surgery.- Incidence and importance.- What is a failure of the reconstruction?.- Modes of failure.- Assessment of bone tunnels.- Graft choices.- Previous non anatomic placement.- nitial anatomic reconstruction.- Outcomes after revision ACL.- Part 5. Multiligamentary knee injury.- Part 6.- Arthroscopic treatment of intraarticular fractures around the knee.- Part 7- Chondral pathology.- Part 8 - Patellar instability.- Part 9 -Synovial pathology.