Abstract
Purpose
The purpose of this study was to evaluate the tibial and femoral insertion site of
the anterior cruciate ligament (ACL) using an objective coordinate system in a cadaver
study in order to confirm radiological assumptions of previous investigators who identified
the tibial footprint (T) of the ACL on T (5.3; 5.5) and the femoral footprint (F) on F (2.9; 3.5).
Methods
The tibial and femoral insertion site of the ACL was analysed on 30 human cadaver
knee joints preserved according to the technique by Thiel. Thirty femora and tibiae
were photographed under standardised methods and measured on a coordinate system twice
by two examiners with respect to the ACL's footprint. We evaluated these measurements
by use of the Cohen's kappa inter- and intraobserver coefficient for two observers.
Results
The photographs and tibial and femoral measurements were achieved with an almost perfect
and a substantial agreement of inter- and intraobserver coefficients. Further, we
could demonstrate that assumptions of anatomic points in previous radiological investigations
were correct.
Conclusions
Our findings confirmed the anatomic tibial and femoral ACL footprint of a previous
investigation and further the reproducibility of our coordinate system as an objective
method for graft placement evaluation.
Keywords
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Article info
Publication history
Accepted:
July 3,
2012
Identification
Copyright
© 2012 Elsevier Ltd. Published by Elsevier Inc. All rights reserved.
