Elastic properties of an intact and ACL-ruptured knee joint: measurement, mathematical modelling, and haptic rendering.
Identifieur interne : 005E37 ( Main/Merge ); précédent : 005E36; suivant : 005E38Elastic properties of an intact and ACL-ruptured knee joint: measurement, mathematical modelling, and haptic rendering.
Auteurs : Martin Frey [Suisse] ; Robert Riener ; Christian Michas ; Felix Regenfelder ; Rainer BurgkartSource :
- Journal of biomechanics [ 0021-9290 ] ; 2006.
English descriptors
- KwdEn :
- MESH :
- anatomy & histology : Anterior Cruciate Ligament, Knee Joint, Posterior Cruciate Ligament.
- Computer Simulation, Elasticity, Humans, Knee Injuries, Models, Biological.
Abstract
An analytical, dynamic model of the human knee joint has been developed to simulate the unloaded knee joint behaviour in 6 degrees of freedom. It is based on extensive robot-based measurements of the elastic properties of a human cadaver knee joint. The measured data are compared with data from the literature to ensure that a proper database for modelling is used. The analytical modelling of the passive elastic joint properties is done with Local Linear Model Trees. The deduced knee joint model incorporates passive elastic properties of the internal knee joint structures, passive elastic muscle forces, damping forces, gravitational forces, and external forces. There are two sets of parameters, one simulating the movement of the intact knee joint, and a second simulating the knee joint with ruptured anterior cruciate ligament. The dynamic model can be easily processed in real-time. It is implemented in the haptic display of the Munich Knee Joint Simulator (MKS), which enables a person to move a plastic leg driven by a robot manipulator and feel the simulated knee joint force. Orthopaedic physicians judged the performance of the dynamic knee joint model by executing physical knee joint tests at the MKS.
DOI: 10.1016/j.jbiomech.2005.04.021
PubMed: 16039659
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pubmed:16039659Le document en format XML
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Frey@vr-med.com</nlm:affiliation><country xml:lang="fr">Suisse</country><wicri:regionArea>Automatic Control Laboratory, Swiss Federal Institute of Technology (ETH) Zurich, Physikstrasse 3, CH-8092 Zurich</wicri:regionArea><wicri:noRegion>CH-8092 Zurich</wicri:noRegion></affiliation></author><author><name sortKey="Riener, Robert" sort="Riener, Robert" uniqKey="Riener R" first="Robert" last="Riener">Robert Riener</name></author><author><name sortKey="Michas, Christian" sort="Michas, Christian" uniqKey="Michas C" first="Christian" last="Michas">Christian Michas</name></author><author><name sortKey="Regenfelder, Felix" sort="Regenfelder, Felix" uniqKey="Regenfelder F" first="Felix" last="Regenfelder">Felix Regenfelder</name></author><author><name sortKey="Burgkart, Rainer" sort="Burgkart, Rainer" uniqKey="Burgkart R" first="Rainer" last="Burgkart">Rainer Burgkart</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2006">2006</date><idno type="doi">10.1016/j.jbiomech.2005.04.021</idno><idno type="RBID">pubmed:16039659</idno><idno type="pmid">16039659</idno><idno type="wicri:Area/PubMed/Corpus">001918</idno><idno type="wicri:Area/PubMed/Curation">001918</idno><idno type="wicri:Area/PubMed/Checkpoint">001609</idno><idno type="wicri:Area/Ncbi/Merge">000777</idno><idno type="wicri:Area/Ncbi/Curation">000777</idno><idno type="wicri:Area/Ncbi/Checkpoint">000777</idno><idno type="wicri:doubleKey">0021-9290:2006:Frey M:elastic:properties:of</idno><idno type="wicri:Area/Main/Merge">005E37</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Elastic properties of an intact and ACL-ruptured knee joint: measurement, mathematical modelling, and haptic rendering.</title><author><name sortKey="Frey, Martin" sort="Frey, Martin" uniqKey="Frey M" first="Martin" last="Frey">Martin Frey</name><affiliation wicri:level="1"><nlm:affiliation>Automatic Control Laboratory, Swiss Federal Institute of Technology (ETH) Zurich, Physikstrasse 3, CH-8092 Zurich, Switzerland. Frey@vr-med.com</nlm:affiliation><country xml:lang="fr">Suisse</country><wicri:regionArea>Automatic Control Laboratory, Swiss Federal Institute of Technology (ETH) Zurich, Physikstrasse 3, CH-8092 Zurich</wicri:regionArea><wicri:noRegion>CH-8092 Zurich</wicri:noRegion></affiliation></author><author><name sortKey="Riener, Robert" sort="Riener, Robert" uniqKey="Riener R" first="Robert" last="Riener">Robert Riener</name></author><author><name sortKey="Michas, Christian" sort="Michas, Christian" uniqKey="Michas C" first="Christian" last="Michas">Christian Michas</name></author><author><name sortKey="Regenfelder, Felix" sort="Regenfelder, Felix" uniqKey="Regenfelder F" first="Felix" last="Regenfelder">Felix Regenfelder</name></author><author><name sortKey="Burgkart, Rainer" sort="Burgkart, Rainer" uniqKey="Burgkart R" first="Rainer" last="Burgkart">Rainer Burgkart</name></author></analytic><series><title level="j">Journal of biomechanics</title><idno type="ISSN">0021-9290</idno><imprint><date when="2006" type="published">2006</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Anterior Cruciate Ligament (anatomy & histology)</term><term>Computer Simulation</term><term>Elasticity</term><term>Humans</term><term>Knee Injuries</term><term>Knee Joint (anatomy & histology)</term><term>Models, Biological</term><term>Posterior Cruciate Ligament (anatomy & histology)</term></keywords><keywords scheme="MESH" qualifier="anatomy & histology" xml:lang="en"><term>Anterior Cruciate Ligament</term><term>Knee Joint</term><term>Posterior Cruciate Ligament</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Computer Simulation</term><term>Elasticity</term><term>Humans</term><term>Knee Injuries</term><term>Models, Biological</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">An analytical, dynamic model of the human knee joint has been developed to simulate the unloaded knee joint behaviour in 6 degrees of freedom. It is based on extensive robot-based measurements of the elastic properties of a human cadaver knee joint. The measured data are compared with data from the literature to ensure that a proper database for modelling is used. The analytical modelling of the passive elastic joint properties is done with Local Linear Model Trees. The deduced knee joint model incorporates passive elastic properties of the internal knee joint structures, passive elastic muscle forces, damping forces, gravitational forces, and external forces. There are two sets of parameters, one simulating the movement of the intact knee joint, and a second simulating the knee joint with ruptured anterior cruciate ligament. The dynamic model can be easily processed in real-time. It is implemented in the haptic display of the Munich Knee Joint Simulator (MKS), which enables a person to move a plastic leg driven by a robot manipulator and feel the simulated knee joint force. Orthopaedic physicians judged the performance of the dynamic knee joint model by executing physical knee joint tests at the MKS.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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