Biomechanical study of strength and stiffness of the knee anterolateral ligament

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dc.contributorSistema FMUSP-HC: Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Hospital das Clínicas da FMUSP
dc.contributor.authorHELITO, Camilo Partezani
dc.contributor.authorBONADIO, Marcelo Batista
dc.contributor.authorROZAS, Joao Stefan
dc.contributor.authorWEY, Joao Marcelo Pedroso
dc.contributor.authorPEREIRA, Cesar Augusto Martins
dc.contributor.authorCARDOSO, Tulio Pereira
dc.contributor.authorPECORA, Jose Ricardo
dc.contributor.authorCAMANHO, Gilberto Luis
dc.contributor.authorDEMANGE, Marco Kawamura
dc.date.accessioned2016-07-18T12:19:04Z
dc.date.available2016-07-18T12:19:04Z
dc.date.issued2016
dc.description.abstractBackground: Recent studies clearly characterize the anatomical parameters of the knee anterolateral ligament (ALL). The potential clinical importance of this ligament is exemplified by some patients with possible combined Anterior Cruciate Ligament (ACL) and ALL rupture who do not progress satisfactorily following isolated ACL reconstruction. Previous biomechanical studies have assessed the resistance parameters of the ALL in order to address potential reconstruction strategies; however, these have reported conflicting results. Thus, this study aimed to evaluate the linear resistance of the ALL by means of a biomechanical study in cadaveric knees. Methods: Fourteen cadaveric knees were used. The ALL was dissected, and all structures that connect the femur and the tibia, except for the ALL, were sectioned. The ALL was subjected to a tensile test with the knee around 30 to 40 degrees, in a way that the ALL was aligned with the machine. The strength at the maximum resistance limit, deformation and stiffness of the ALL were evaluated. Results: The mean maximum strength of the ALL was 204.8 +/- 114.9 N. The stiffness was 41.9 +/- 25.7 N/mm and the deformation 10.3 + /- 3.5 mm. Conclusion: The ALL has a mean ultimate tensile strength of 204.8 N. This suggests that simple bands of all autologous or homologous grafts commonly used in clinical practice for ligament reconstruction around the knee possess the required biomechanical resistance characteristics for ALL reconstruction.
dc.description.indexMEDLINE
dc.identifier.citationBMC MUSCULOSKELETAL DISORDERS, v.17, article ID 193, 7p, 2016
dc.identifier.doi10.1186/s12891-016-1052-5
dc.identifier.issn1471-2474
dc.identifier.urihttps://observatorio.fm.usp.br/handle/OPI/14328
dc.language.isoeng
dc.publisherBIOMED CENTRAL LTD
dc.relation.ispartofBMC Musculoskeletal Disorders
dc.rightsopenAccess
dc.rights.holderCopyright BIOMED CENTRAL LTD
dc.subjectKnee
dc.subjectAnterolateral ligament
dc.subjectBiomechanics
dc.subjectAnatomy
dc.subject.otheranterior cruciate ligament
dc.subject.otherfollow-up
dc.subject.otherextraarticular tenodesis
dc.subject.otherstructural-properties
dc.subject.othercollateral ligament
dc.subject.otheracl reconstruction
dc.subject.othersegond fracture
dc.subject.otherbiceps femoris
dc.subject.othertendon
dc.subject.otheranatomy
dc.subject.wosOrthopedics
dc.subject.wosRheumatology
dc.titleBiomechanical study of strength and stiffness of the knee anterolateral ligament
dc.typearticle
dc.type.categoryoriginal article
dc.type.versionpublishedVersion
dspace.entity.typePublication
hcfmusp.author.externalROZAS, Joao Stefan:Univ Sao Paulo, Fac Med, Dept Orthoped & Traumatol, Sao Paulo, Brazil; Catholic Univ Sao Paulo, Dept Orthopaed Surg, Sao Paulo, Brazil
hcfmusp.author.externalWEY, Joao Marcelo Pedroso:Univ Sao Paulo, Fac Med, Dept Orthoped & Traumatol, Sao Paulo, Brazil; Catholic Univ Sao Paulo, Dept Orthopaed Surg, Sao Paulo, Brazil
hcfmusp.author.externalCARDOSO, Tulio Pereira:Univ Sao Paulo, Fac Med, Dept Orthoped & Traumatol, Sao Paulo, Brazil; Catholic Univ Sao Paulo, Dept Orthopaed Surg, Sao Paulo, Brazil
hcfmusp.citation.scopus41
hcfmusp.contributor.author-fmusphcCAMILO PARTEZANI HELITO
hcfmusp.contributor.author-fmusphcMARCELO BATISTA BONADIO
hcfmusp.contributor.author-fmusphcCESAR AUGUSTO MARTINS PEREIRA
hcfmusp.contributor.author-fmusphcJOSE RICARDO PECORA
hcfmusp.contributor.author-fmusphcGILBERTO LUIS CAMANHO
hcfmusp.contributor.author-fmusphcMARCO KAWAMURA DEMANGE
hcfmusp.description.articlenumber193
hcfmusp.description.volume17
hcfmusp.origemWOS
hcfmusp.origem.pubmed27129387
hcfmusp.origem.scopus2-s2.0-85007575257
hcfmusp.origem.wosWOS:000375082300001
hcfmusp.publisher.cityLONDON
hcfmusp.publisher.countryENGLAND
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