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Comparison of Knee Cruciate Ligaments Models Using In-vivo Step Up-Down Kinematics

  • Rita Stagni
  • Silvia Fantozzi
  • Mario Davinelli
  • Maurizio Lannocca
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3078)

Abstract

The knee joint is a key structure of the human locomotor system. Any lesion or pathology compromising its mobility and stability alters its function. As direct measurements of the contribution of each anatomical structure to the joint function are not viable, modelling techniques must be applied. The present study is aimed at comparing cruciate ligaments models of different complexity using accurate parameters from MRI and 3D-fluoroscopy of a single selected subject during step up-down motor task. The complexity of the model was not very relevant for the calculation of the strain range of the cruciate ligaments fibres. On the other hand, three-dimensionality and anatomical twist of the modelled fibres resulted to be fundamental for the geometrical strain distribution over the ligament section.

Keywords

Cruciate Ligament Posterior Cruciate Ligament Total Knee Replacement Knee Model High Resolution Magnetic Resonance Image 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2004

Authors and Affiliations

  • Rita Stagni
    • 1
  • Silvia Fantozzi
    • 1
  • Mario Davinelli
    • 1
  • Maurizio Lannocca
    • 1
  1. 1.Department of Electronics,Computer Science and SystemsUniversity of BolognaBolognaItaly

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