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Orthopaedic Proceedings
Vol. 96-B, Issue SUPP_11 | Pages 266 - 266
1 Jul 2014
KNEE FLEXION AND DIFFERENTIAL FIBRE RECRUITMENT IN THE ANTERIOR CRUCIATE LIGAMENT: A MICROSTRUCTURAL STUDY
Zhao L Thambyah A Broom N
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Summary

The presence or absence of crimp within the anterior cruciate ligament (ACL) sub-bundle anatomy was correlated with knee flexion angle changes and provided a measure of differential loading within its sub-bundle microstructure.

Introduction

Previous studies have shown that macroscopically the anteromedial (AM) and posterolateral (PL) bundles of the ACL tighten/slacken differently with knee flexion angle. This research used fibre crimp morphology, revealed following in situ fixation of the intact ligament structures, to investigate patterns of differential fibre recruitment across each ACL sub-bundle.