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Lateral thrust of anterior cruciate ligament-insufficient knees and posterior cruciate ligament-insufficient knees

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Abstract.

Leaving anterior cruciate ligament (ACL) insufficiency and posterior cruciate ligament (PCL) insufficiency untreated frequently leads to osteoarthritis (OA). The purpose of this study was to evaluate dynamically the lateral thrust of ACL-insufficient knees and PCL-insufficient knees, and from the findings investigate the relationship between cruciate ligament insufficiency and OA occurrence. An acceleration sensor was attached to the affected and control anterior tibial tubercles, acting in medial-lateral and perpendicular directions. The lateral thrust immediately after heel strike was measured continuously by a telemeter under stabilised walking conditions. When compared to the contralateral healthy knee, the peak value of lateral acceleration immediately after heel strike was significantly larger in the ACL-insufficient knee; and lateral thrust was increased, but not significantly, in the PCL-insufficient knee. Given that lateral thrust of the knee during walking increases due to ACL or PCL injury, it may be a principal contributor to OA progression.

Résumé.

Les lésions non traitées du ligament croisé antérieur (LCA) et du ligament croisé postérieur (LCP) mènent fréquemment à l'arthrose. Le but de cette étude était d'évaluer les latérales des genoux LCA-insuffisants et des genoux LCP-insuffisants dynamiquement, et de chercher les relations entre l'insuffisance des croisés et la survenue de l'arthrose. Un capteur d'accélération a été fixée à la tubérosité tibiale antérieure du côté affecté et du côté témoin mesurant dans le sens médial-latéral et dans les directions perpendiculaires. La poussée latérale qui suit l'appui talonnier a été mesuré par un télémètre dans des conditions de marche stabilisée. La comparaison au genou sain controlatéral montrait que le pic d'accélération latérale après l'appui talonnier était nettement plus important en cas d'insuffisance du ligament croisé antérieur et un peu plus important seulement en cas d'insuffisance du croisé postérieur. L'augmentation de la poussée latérale du genou à cause de l'insuffisance des ligaments croisés pendant la marche serait le facteur principal de l'évolution arthrosique.

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Yoshimura, I., Naito, M. & Zhang, J. Lateral thrust of anterior cruciate ligament-insufficient knees and posterior cruciate ligament-insufficient knees. International Orthopaedics (SICOT) 26, 303–305 (2002). https://doi.org/10.1007/s00264-002-0379-8

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  • DOI: https://doi.org/10.1007/s00264-002-0379-8

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