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Cyclic-loading of the human gracilis and semitendinosus muscle tendons: Study of young adult cadavers

dc.contributor.authorPiedade, Sergio Rocha
dc.contributor.authorDal Fabbro, Inacio Maria
dc.contributor.authorMischan, Martha Maria
dc.contributor.institutionUniversidade Estadual de Campinas (UNICAMP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T13:47:42Z
dc.date.available2014-05-20T13:47:42Z
dc.date.issued2006-09-01
dc.description.abstractDuring knee ligament reconstruction, the tendon graft is tensioned to prevent the occurrence of excessive graft elongation during the postoperative period. Tensioning may be achieved by applying a cyclic or static load to the graft during fixation. Although this procedure is part of the surgery, there is no consensus in international literature regarding ideal tension levels to be used in this procedure. This study was conducted on 10 tendons of the human gracilis muscle and 10 tendons of semitendinosus muscle removed from five male cadavers whose mean age was 20.8 years. These tendons underwent 10 in vitro strain cycles at three levels of deformation (2.5, 3, and 4%) and the value of the deforming load used for each cycle was recorded. The statistical analysis demonstrated that in order to attain the same level of deformation during the 10 cycles there was a reduction in the value of strain applied to the graft, observed at the three levels of deformation. It was concluded that the semitendinosus tendon presents a more uniform mechanical behavior and that there is a need for new graft tensioning protocols that consider the force associated with deformation.en
dc.description.affiliationUniv Estadual Campinas, Sch Med Sci, Dept Orthoped & Traumatol, BR-6111 Campinas, SP, Brazil
dc.description.affiliationUniv Estadual Campinas, Sch Agr Engn, BR-6111 Campinas, SP, Brazil
dc.description.affiliationUniv Estadual Paulista Julio Mesquita Filho, Dept Biostat, Botucatu, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista Julio Mesquita Filho, Dept Biostat, Botucatu, SP, Brazil
dc.format.extent680-685
dc.identifierhttp://dx.doi.org/10.1111/j.1525-1594.2006.00284.x
dc.identifier.citationArtificial Organs. Oxford: Blackwell Publishing, v. 30, n. 9, p. 680-685, 2006.
dc.identifier.doi10.1111/j.1525-1594.2006.00284.x
dc.identifier.issn0160-564X
dc.identifier.lattes5493452207047677
dc.identifier.urihttp://hdl.handle.net/11449/16985
dc.identifier.wosWOS:000240004300005
dc.language.isoeng
dc.publisherBlackwell Publishing
dc.relation.ispartofArtificial Organs
dc.relation.ispartofjcr2.111
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjecttendonspt
dc.subjectbiomechanicspt
dc.subjectstress relaxationpt
dc.titleCyclic-loading of the human gracilis and semitendinosus muscle tendons: Study of young adult cadaversen
dc.typeArtigo
dcterms.licensehttp://olabout.wiley.com/WileyCDA/Section/id-406071.html
dcterms.rightsHolderBlackwell Publishing
dspace.entity.typePublication
unesp.advisor.lattes5493452207047677
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Biociências, Botucatupt
unesp.departmentBioestatística - IBBpt

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