The first quantitative anatomy study carried out on the medial aspect of the human knee supplies important information previously not described. This information can be utilized to optimize surgery and rehabilitation of a large number of knee injuries.
Anterior cruciate ligament surgery and rehabilitation has evolved rapidly in the later years. Precise knowledge on the anatomy has been an important reason for making this possible. However, for the medial aspect of the knee, precise anatomical descriptions have so far been lacking. Considering that sports injury in the medial aspect of the knee occurs frequently, it was clearly necessary to map these structures better.
One of the findings in this study was a third bony prominence, in addition to the medial epicondyle and the adductor tubercle, the gastrocnemius tubercle, which corresponded to the attachment site of the medial gastrocnemius tendon. Also, the most important medial stabilizer, the superficial Medial Collateral Ligament was found to insert posterior and proximal to the medial epicondyle, in contrast to the insertion to the epicondyle listed in previous anatomy text-books and publications. The results of this study therefore suggest that learning material on knee anatomy should be updated.
This study was carried out in Minneapolis, and has been a collaboration between the Department of Orthopaedic Surgery, Ullevaal University Hospital, the Oslo Sports Trauma Research Center and the Department of Orthopaedic Surgery, University of Minnesota.
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