Creep behavior of human knee joint determined with high-speed biplanar video-radiography and finite element simulation

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dc.contributor.authorUzuner, S.
dc.contributor.authorKuntze, G.
dc.contributor.authorLi, L. P.
dc.contributor.authorRonsky, J. L.
dc.contributor.authorKucuk, S.
dc.date.accessioned2021-12-01T18:49:49Z
dc.date.available2021-12-01T18:49:49Z
dc.date.issued2022
dc.department[Belirlenecek]en_US
dc.description.abstractCreep and relaxation of knee cartilage and meniscus have been extensively studied at the tissue level with constitutive laws well established. At the joint level, however, both experimental and model studies have been focused on either elastic or kinematic responses of the knee, where the time-dependent response is typically neglected for simplicity. The objectives of this study were to quantify the in-vivo creep behavior of human knee joints produced by the cartilaginous tissues and to use the relevant data to validate a previously proposed poromechanical model. Two participants with no history of leg injury volunteered for 3T magnetic resonance imaging (MRI) of their unloaded right knees and for biplanar video-radiography (BVR) of the same knees during standing on an instrumented treadmill for 10 min. Approximately 550 temporal data points were obtained for the in-vivo displacement of the right femur relative to the tibia of the knee. Models of the bones and soft tissues were derived from the MRI. The bone models were used to reconstruct the 3D bone kinematics measured using BVR. Ground reaction forces were simultaneously recorded for the right leg, which were used as input for the subjectspecific finite element knee models. Cartilaginous tissues were modeled as fluid-saturated fibril-reinforced materials. In-vivo creep of the knee was experimentally observed for both participants, i.e., the joint displacement increased with time while the reaction forces at the foot were approximately constant. The creep displacements obtained from the finite element models compared well with the experimental data when the tissue properties were calibrated (Pearson correlation coefficient = 0.99). The results showed the capacity of the poromechanical knee model to capture the creep response of the joint. The combined experimental and model study may be used to understand the fluid-pressure load support and contact mechanics of the joint using material properties calibrated from the displacement data, which enhance the fidelity of model results.en_US
dc.identifier.doi10.1016/j.jmbbm.2021.104905
dc.identifier.issn1751-6161
dc.identifier.issn1878-0180
dc.identifier.scopus2-s2.0-85117732602en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.urihttps://doi.org/10.1016/j.jmbbm.2021.104905
dc.identifier.urihttps://hdl.handle.net/20.500.12684/10784
dc.identifier.volume125en_US
dc.identifier.wosWOS:000712529500002en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakPubMeden_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofJournal Of The Mechanical Behavior Of Biomedical Materialsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectArticular cartilageen_US
dc.subjectBiplanar videoradiographyen_US
dc.subjectFibril-reinforced modelen_US
dc.subjectFluid pressureen_US
dc.subjectIn-vivo cartilage creepen_US
dc.subjectTibiofemoral jointen_US
dc.subjectArticular-Cartilageen_US
dc.subjectContact Pressureen_US
dc.subjectOsteoarthritisen_US
dc.subjectDeformationen_US
dc.subjectKinematicsen_US
dc.subjectThicknessen_US
dc.subjectStiffnessen_US
dc.subjectStrainen_US
dc.subjectStressen_US
dc.subjectIntacten_US
dc.titleCreep behavior of human knee joint determined with high-speed biplanar video-radiography and finite element simulationen_US
dc.typeArticleen_US

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