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A computational model for the prediction of total knee replacement kinematics in the sagittal plane

A computational model for the prediction of total knee replacement kinematics in the sagittal plane
A computational model for the prediction of total knee replacement kinematics in the sagittal plane
A computational model has been developed using a current generation computer-aided engineering (CAE) package to predict total knee replacement (TKR) kinematic in the sagittal plane. The model includes friction and soft tissue restraint varying according to the flexion angle. The model was validated by comparing the outcomes of anterior–posterior (A–P) laxity tests of two contemporary knee replacements against data obtained from a knee simulating machine. It was also validated against predictions from a computer model reported in the literature. Results show good agreement in terms of A–P displacements. Further tests were performed to determined the influence of the soft tissue restraints varying with flexion angle. This work represents the first attempt to use a sophisticated commercial CAE package to predict TKR motions and the advantages of the modelling procedure chosen are discussed.
2D knee kinematics, knee replacement, computational knee modelling, knee laxity, virtual prototyping software
0021-9290
435-442
Godest, A.C.
ff640973-7838-4727-bd94-b8a5fca10f2c
Simonis de Cloke, C.
92252094-bb74-4e14-b736-6165e19dc607
Taylor, M.
bdd7186d-4fda-4a39-bddb-9fcbbe25fcaa
Gregson, P.J.
ddc3b65d-18fb-4c11-9fa1-feb7e9cbe9fe
Keane, A.J.
26d7fa33-5415-4910-89d8-fb3620413def
Sathasivan, S.
72e2b572-fbc8-4bfb-834e-fd1e13161cbb
Walker, P.S.
c56c122e-766d-49c5-81c2-6a4c8b6a8470
Godest, A.C.
ff640973-7838-4727-bd94-b8a5fca10f2c
Simonis de Cloke, C.
92252094-bb74-4e14-b736-6165e19dc607
Taylor, M.
bdd7186d-4fda-4a39-bddb-9fcbbe25fcaa
Gregson, P.J.
ddc3b65d-18fb-4c11-9fa1-feb7e9cbe9fe
Keane, A.J.
26d7fa33-5415-4910-89d8-fb3620413def
Sathasivan, S.
72e2b572-fbc8-4bfb-834e-fd1e13161cbb
Walker, P.S.
c56c122e-766d-49c5-81c2-6a4c8b6a8470

Godest, A.C., Simonis de Cloke, C., Taylor, M., Gregson, P.J., Keane, A.J., Sathasivan, S. and Walker, P.S. (2000) A computational model for the prediction of total knee replacement kinematics in the sagittal plane. Journal of Biomechanics, 33 (4), 435-442. (doi:10.1016/S0021-9290(99)00183-9).

Record type: Article

Abstract

A computational model has been developed using a current generation computer-aided engineering (CAE) package to predict total knee replacement (TKR) kinematic in the sagittal plane. The model includes friction and soft tissue restraint varying according to the flexion angle. The model was validated by comparing the outcomes of anterior–posterior (A–P) laxity tests of two contemporary knee replacements against data obtained from a knee simulating machine. It was also validated against predictions from a computer model reported in the literature. Results show good agreement in terms of A–P displacements. Further tests were performed to determined the influence of the soft tissue restraints varying with flexion angle. This work represents the first attempt to use a sophisticated commercial CAE package to predict TKR motions and the advantages of the modelling procedure chosen are discussed.

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Published date: 2000
Keywords: 2D knee kinematics, knee replacement, computational knee modelling, knee laxity, virtual prototyping software

Identifiers

Local EPrints ID: 21392
URI: http://eprints.soton.ac.uk/id/eprint/21392
ISSN: 0021-9290
PURE UUID: 37a1ffde-e40e-4bfc-9790-b7a47253b551

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Date deposited: 15 Mar 2006
Last modified: 23 Sep 2019 17:58

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Contributors

Author: A.C. Godest
Author: C. Simonis de Cloke
Author: M. Taylor
Author: P.J. Gregson
Author: A.J. Keane
Author: S. Sathasivan
Author: P.S. Walker

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