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Toronto, Canada, became an early centre of excellence in orthopaedic surgery, renowned for training and creative development since orthopedics was defined as a distinct surgical specialty by the pioneer surgeon Robert I Harris in the 1950s. Generations of orthopaedic surgeons graduating from the University of Toronto program have since contributed to many of the important achievements in orthopedics that have improved the lives of people with bone and joint injuries and diseases.
One eminent example is the work of David L MacIntosh who pioneered the first successful surgery for the management of the torn anterior cruciate ligament of the knee. This common and serious injury in skiers, field athletes and dancers had invariably brought an end to their pursuits due to permanent joint instability. Working especially with injured football players in his role as sports surgeon for the University of Toronto, he devised a way to reroute viable ligament from adjacent structures to preserve the strong and complex mechanics of the knee joint and restore stability throughout its range of motion, conferring a fully functional joint. This for the first time in history could reliably permit the athlete to return to the demands of (even professional) sport or dance after a period of healing. The two major variants of this repair that MacIntosh developed in the 1960’s and 1970’s for the torn anterior cruciate ligament are still the operations of choice performed today.