JOURNAL OF SPORTS SCIENCE & MEDICINE
http://www.jssm.org
 
Research article
 

POSTERIOR TIBIAL SLOPE AS A RISK FACTOR FOR ANTERIOR CRUCIATE LIGAMENT RUPTURE IN SOCCER PLAYERS

Seçkin Şenışık1, Cengizhan Özgürbüz1, Metin Ergün1, Oğuz Yüksel1, Emin Taşkıran2, Çetin İşlegen1, and Ahmet Ertat1

1Sports Medicine, and 2Orthopedics and Traumatology Departments, Ege University School of Medicine, Izmir, Turkey

Received   26 September 2011
Accepted   31 October 2011
Published   01 December 2011

© Journal of Sports Science and Medicine (2011) 10, 763 - 767

ABSTRACT  
Anterior cruciate ligament (ACL) is the primary stabilizer of the knee. An impairment of any of the dynamic or static stability providing factors can lead to overload on the other factors and ultimately to deterioration of knee stability. This can result in anterior tibial translation and rupture of the ACL. The purpose of this study was to examine the influence of tibial slope on ACL injury risk on soccer players. A total of 64 elite soccer players and 45 sedentary controls were included in this longitudinal and controlled study. The angle between the tibial mid-diaphysis line and the line between the anterior and posterior edges of the medial tibial plateau was measured as the tibial slope via lateral radiographs. Individual player exposure, and injuries sustained by the participants were prospectively recorded. Eleven ACL injuries were documented during the study period. Tibial slope was not different between soccer players and sedentary controls. Tibial slope in the dominant and non-dominant legs was greater for the injured players compared to the uninjured players. The difference reached a significant level only for the dominant legs (p < 0.001). While the tibial slopes of the dominant and non-dominant legs were not different on uninjured players (p > 0.05), a higher tibial slope was observed in dominant legs of injured players (p < 0.05). Higher tibial slope on injured soccer players compared to the uninjured ones supports the idea that the tibial slope degree might be an important risk factor for ACL injury.

Key words: Tibial slope, knee, ACL injury, soccer, dominant leg, exercise.
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