The Relationship between Posterior Tibial Slope and Tear of Anterior Cruciate Ligament
The role of increased posterior tibial slope in rupture of the anterior cruciate ligament (ACL) is controversial. The purpose of current study was to determine the effect of posterior slope on the ACL injury.
In a case control study 61 consecutive cases with ACL injury who were candidates for reconstruction were compared with 61 persons with normal knees who were matched for age and sex over a 2-year period at a teaching hospital in Tehran Iran. The posterior tibial slope angles were measured on true lateral radiographs on all the cases. The measurement variations were analyzed between the two groups.
The mean posterior tibial slope was 9.4±1.8 degrees in controls and 12.3±4.4 in patients with ruptured ACL (p
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