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dc.contributor.CRUESPUniversidade Estadual de Campinaspt_BR
dc.typeArtigo de periódicopt_BR
dc.titlePostural strategy to keep balance on the seesawpt_BR
dc.contributor.authorAlmeida, GLpt_BR
dc.contributor.authorCarvalho, RLpt_BR
dc.contributor.authorTalis, VLpt_BR
unicamp.author.emailgla@odin.unaerp.brpt_BR
unicamp.authorUniv Estadual Campinas, Dept Fisiol & Biofis, Campinas, SP, Brazil Univ Ribeirao Preto, Curso Fisioterapia, Lab Pesquisas Clin Fisioterapia, BR-4096380 Ribeirao Preto, Brazil Univ Estadual Campinas, Dept Fisiol & Biofis, Campinas, SP, Brazil Pontificia Univ Catolica Minas Gerais, Belo Horizonte, MG, Brazil Russian Acad Sci, Inst Informat Transmiss Problems, Moscow, Russiapt_BR
dc.subjectbalancept_BR
dc.subjectseesawpt_BR
dc.subjectposturept_BR
dc.subjectstrategypt_BR
dc.subject.wosSupportpt_BR
dc.subject.wosEquilibriumpt_BR
dc.subject.wosResponsespt_BR
dc.subject.wosStabilitypt_BR
dc.subject.wosStancept_BR
dc.description.abstractThis work investigates the kinematic and electromyography (EMG) strategy used by the central nervous system (CNS) to keep equilibrium during anterior-posterior balance on seesaws with different degrees of instability. The movement of hip, knee, and ankle were reconstructed using a 3D motion-analysis system and the EMG activities of selected ankle, knee, and hip muscles were recorded. Balance was kept mainly at the ankle joint. The EMG patterns of the gastrocnemius and anterior tibialis alternated between agonist and antagonist bursts. The agonist burst started before the end of the lengthening phase and was prolonged until the end of the shortening phase. The EMG activities of the muscles crossing the knee and hip joints were characterized by a pattern of generalized co-activation. The movements at these two joints were very small, suggesting a neural or biomechanical constraint underlying the operations of the equilibrium control. Our results also indicate that the strategy to keep balance on the seesaw is qualitatively the same for the different levels of mechanical demands in terms of the seesaw's instability. (c) 2005 Elsevier B.V. All rights reserved.pt
dc.relation.ispartofGait & Posturept_BR
dc.relation.ispartofabbreviationGait Posturept_BR
dc.publisher.cityClarept_BR
dc.publisher.countryIrlandapt_BR
dc.publisherElsevier Ireland Ltdpt_BR
dc.date.issued2006pt_BR
dc.date.monthofcirculationJANpt_BR
dc.identifier.citationGait & Posture. Elsevier Ireland Ltd, v. 23, n. 1, n. 17, n. 21, 2006.pt_BR
dc.language.isoenpt_BR
dc.description.volume23pt_BR
dc.description.issuenumber1pt_BR
dc.description.initialpage17pt_BR
dc.description.lastpage21pt_BR
dc.rightsfechadopt_BR
dc.rights.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policypt_BR
dc.sourceWeb of Sciencept_BR
dc.identifier.issn0966-6362pt_BR
dc.identifier.wosidWOS:000234166500003pt_BR
dc.identifier.doi10.1016/j.gaitpost.2004.11.020pt_BR
dc.date.available2014-11-14T21:55:04Z
dc.date.available2015-11-26T16:08:40Z-
dc.date.accessioned2014-11-14T21:55:04Z
dc.date.accessioned2015-11-26T16:08:40Z-
dc.description.provenanceMade available in DSpace on 2014-11-14T21:55:04Z (GMT). No. of bitstreams: 1 WOS000234166500003.pdf: 124959 bytes, checksum: 9750c586d4dd65231be63639752e029d (MD5) Previous issue date: 2006en
dc.description.provenanceMade available in DSpace on 2015-11-26T16:08:40Z (GMT). No. of bitstreams: 2 WOS000234166500003.pdf: 124959 bytes, checksum: 9750c586d4dd65231be63639752e029d (MD5) WOS000234166500003.pdf.txt: 20737 bytes, checksum: 6a89d32786caa8befd2e133456299a28 (MD5) Previous issue date: 2006en
dc.identifier.urihttp://www.repositorio.unicamp.br/jspui/handle/REPOSIP/81110pt_BR
dc.identifier.urihttp://www.repositorio.unicamp.br/handle/REPOSIP/81110
dc.identifier.urihttp://repositorio.unicamp.br/jspui/handle/REPOSIP/81110-
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