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Knee Surgery, Sports Traumatology, Arthroscopy

, Volume 15, Issue 12, pp 1414–1421 | Cite as

The attachments of the anteromedial and posterolateral fibre bundles of the anterior cruciate ligament

Part 1: Tibial attachment
  • Andrew Edwards
  • Anthony M. J. Bull
  • Andrew A. AmisEmail author
Knee

Abstract

The tibial attachments of the individual anteromedial (AM) and posterolateral (PL) fibre bundles and the entire attachment of the anterior cruciate ligament are described, relating them to consistent bony landmarks; 55 fresh-frozen specimens were measured. The fibre bundles were separated and excised at their attachments and their peripheries marked with a pen. High-resolution scaled digital photographs were taken of each dissected specimen and transferred onto a computer for analysis. A wide variation was found when using the posterior tibial axis, the anterior tibial surface and the medial tibial spine as reference points. The most consistent measurements used the tibial interspinous “over-the-back” ridge as a datum. The attachments of the PL and AM bundles were centred 10 ± 1 mm (mean ± SD) and 17 ± 2 mm anterior to the over-the-back ridge. They were 4 ± 1 and 5 ± 1 mm, respectively, lateral to the medial tibial spine border. The positions of 6 mm circles in the posterior-medial limits of the fibre bundles (representing tunnels in a double-tunnel reconstruction) were measured. The overall dimensions of the tibial plateaux correlated significantly with many measurements. The results from this study could be used to guide ACL reconstruction techniques.

Keywords

Knee Fibre bundles ACL Attachments 

Notes

Acknowledgments

This research was kindly funded by the London Department of Postgraduate Medical and Dental Education. We acknowledge Ealing Hospital NHS trust for the knee specimens. Dr. Bull was supported by the Arthritis Research Campaign, a charity based in Chesterfield, UK. The authors are not aware of any potential conflict of interest relating to this article.

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Copyright information

© Springer-Verlag 2007

Authors and Affiliations

  • Andrew Edwards
    • 1
  • Anthony M. J. Bull
    • 2
  • Andrew A. Amis
    • 3
    Email author
  1. 1.Department of Mechanical EngineeringImperial College LondonLondonUK
  2. 2.Bioengineering DepartmentImperial College LondonLondonUK
  3. 3.Departments of Mechanical Engineering and Musculoskeletal SurgeryImperial College LondonLondonUK

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