dc.creatorAlmeida, GL
dc.creatorCarvalho, RL
dc.creatorTalis, VL
dc.date2006
dc.dateJAN
dc.date2014-11-14T21:55:04Z
dc.date2015-11-26T16:08:40Z
dc.date2014-11-14T21:55:04Z
dc.date2015-11-26T16:08:40Z
dc.date.accessioned2018-03-28T22:57:13Z
dc.date.available2018-03-28T22:57:13Z
dc.identifierGait & Posture. Elsevier Ireland Ltd, v. 23, n. 1, n. 17, n. 21, 2006.
dc.identifier0966-6362
dc.identifierWOS:000234166500003
dc.identifier10.1016/j.gaitpost.2004.11.020
dc.identifierhttp://www.repositorio.unicamp.br/jspui/handle/REPOSIP/81110
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/81110
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/81110
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1266418
dc.descriptionThis 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.
dc.description23
dc.description1
dc.description17
dc.description21
dc.languageen
dc.publisherElsevier Ireland Ltd
dc.publisherClare
dc.publisherIrlanda
dc.relationGait & Posture
dc.relationGait Posture
dc.rightsfechado
dc.rightshttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dc.sourceWeb of Science
dc.subjectbalance
dc.subjectseesaw
dc.subjectposture
dc.subjectstrategy
dc.subjectSupport
dc.subjectEquilibrium
dc.subjectResponses
dc.subjectStability
dc.subjectStance
dc.titlePostural strategy to keep balance on the seesaw
dc.typeArtículos de revistas


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