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Effects of ligament pretension on the biomechanics of the knee: a finite element analysis

Effects of ligament pretension on the biomechanics of the knee: a finite element analysis
Effects of ligament pretension on the biomechanics of the knee: a finite element analysis
A large number of finite element models have been developed to study the behaviour of the knee joint under different loading conditions. They have been used to study knee ligament function, knee prosthesis design and ligament reconstruction procedures. The terms pretension or prestrain of a knee ligament refer to the strain in the ligament when the joint is at full extension and little is known about its influence on the kinematics of the joint. In knee models, the ligament reference strains are usually merely estimated [1] and sometimes adapted by means of trial and error in order to get better agreement with experimental data [2]. As a consequence, very different values can be found in the literature. The purpose of this study was to analyze how ligament prestrains can affect the kinematics of the knee predicted with a FE model.
finite element modelling, knee biomechanics, ligament, total knee replacement
Checa-Esteban, S.
4f53ed39-8012-479b-a6c2-e7a6f626e27a
New, A.M.R.
d2fbaf80-3abd-4bc5-ae36-9c77dfdde0d6
Taylor, M.
e368bda3-6ca5-4178-80e9-41a689badeeb
Checa-Esteban, S.
4f53ed39-8012-479b-a6c2-e7a6f626e27a
New, A.M.R.
d2fbaf80-3abd-4bc5-ae36-9c77dfdde0d6
Taylor, M.
e368bda3-6ca5-4178-80e9-41a689badeeb

Checa-Esteban, S., New, A.M.R. and Taylor, M. (2006) Effects of ligament pretension on the biomechanics of the knee: a finite element analysis. 52nd Annual Meeting of the Orthopaedic Research Society, Chicago, USA. 19 - 22 Mar 2006.

Record type: Conference or Workshop Item (Paper)

Abstract

A large number of finite element models have been developed to study the behaviour of the knee joint under different loading conditions. They have been used to study knee ligament function, knee prosthesis design and ligament reconstruction procedures. The terms pretension or prestrain of a knee ligament refer to the strain in the ligament when the joint is at full extension and little is known about its influence on the kinematics of the joint. In knee models, the ligament reference strains are usually merely estimated [1] and sometimes adapted by means of trial and error in order to get better agreement with experimental data [2]. As a consequence, very different values can be found in the literature. The purpose of this study was to analyze how ligament prestrains can affect the kinematics of the knee predicted with a FE model.

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More information

Published date: 22 March 2006
Venue - Dates: 52nd Annual Meeting of the Orthopaedic Research Society, Chicago, USA, 2006-03-19 - 2006-03-22
Keywords: finite element modelling, knee biomechanics, ligament, total knee replacement

Identifiers

Local EPrints ID: 48529
URI: http://eprints.soton.ac.uk/id/eprint/48529
PURE UUID: dd230ab2-c5af-4568-a480-215501573b33

Catalogue record

Date deposited: 04 Oct 2007
Last modified: 04 Nov 2022 17:34

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Contributors

Author: S. Checa-Esteban
Author: A.M.R. New
Author: M. Taylor

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