Motor strategy during postural control is not muscle fatigue joint-dependent, but muscle fatigue increases postural asymmetry

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Autor(es): dc.contributorUniversidade Estadual Paulista (Unesp)-
Autor(es): dc.contributorCentro Universitario Estacio de Ribeirão Preto-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.creatorPenedo, Tiago [UNESP]-
Autor(es): dc.creatorPolastri, Paula Favaro [UNESP]-
Autor(es): dc.creatorRodrigues, Sergio Tosi [UNESP]-
Autor(es): dc.creatorSantinelli, Felipe Balistieri [UNESP]-
Autor(es): dc.creatorDe Carvalho Costa, Elisa [UNESP]-
Autor(es): dc.creatorImaizumi, Luis Felipe Itikawa [UNESP]-
Autor(es): dc.creatorBarbieri, Ricardo Augusto-
Autor(es): dc.creatorBarbieri, Fabio Augusto [UNESP]-
Data de aceite: dc.date.accessioned2022-02-22T00:53:33Z-
Data de disponibilização: dc.date.available2022-02-22T00:53:33Z-
Data de envio: dc.date.issued2021-06-25-
Data de envio: dc.date.issued2021-06-25-
Data de envio: dc.date.issued2021-01-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1371/journal.pone.0247395-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/208485-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/208485-
Descrição: dc.descriptionThe aim of this study was to investigate the effects of ankle and hip muscle fatigue on motor adjustments (experiment 1) and symmetry (experiment 2) of postural control during a quiet standing task. Twenty-three young adults performed a bipedal postural task on separate force platforms, before and after a bilateral ankle and hip muscle fatigue protocol (randomized). Ankle and hip muscles were fatigued separately using a standing calf raise protocol (ankle fatigue) on a step and flexion and extension of the hip (hip fatigue) sitting on a chair, at a controlled movement frequency (0.5Hz), respectively. In both experiments, force, center of pressure, and electromyography parameters were measured. The symmetry index was used in experiment 2 to analyze the postural asymmetry in the parameters. Our main findings showed that muscle fatigue impaired postural stability, regardless of the fatigued muscle region (i.e., ankle or hip). In addition, young adults used an ankle motor strategy (experiment 1) before and after both the ankle and hip muscle fatigue protocols. Moreover, we found increased asymmetry between the lower limbs (experiment 2) during the quiet standing task after muscle fatigue. Thus, we can conclude that the postural motor strategy is not muscle fatigue joint-dependent and a fatigue task increases postural asymmetry, regardless of the fatigued region (hip or ankle). These findings could be applied in sports training and rehabilitation programs with the objective of reducing the fatigue effects on asymmetry and improving balance.-
Descrição: dc.descriptionDepartment of Physical Education Human Movement Research Laboratory (MOVI-LAB) Graduate Program in Human Movement School of Sciences São Paulo State University (UNESP)-
Descrição: dc.descriptionDepartment of Physical Education Laboratory of Information Vision and Action (LIVIA) Graduate Program in Human Movement School of Sciences São Paulo State University (UNESP)-
Descrição: dc.descriptionCentro Universitario Estacio de Ribeirão Preto-
Descrição: dc.descriptionGraduate Program in Physical Education and Sport School of Physical Education and Sport of Ribeirao Preto (EEFERP) University of São Paulo (USP)-
Descrição: dc.descriptionDepartment of Physical Education Human Movement Research Laboratory (MOVI-LAB) Graduate Program in Human Movement School of Sciences São Paulo State University (UNESP)-
Descrição: dc.descriptionDepartment of Physical Education Laboratory of Information Vision and Action (LIVIA) Graduate Program in Human Movement School of Sciences São Paulo State University (UNESP)-
Idioma: dc.languageen-
Relação: dc.relationPLoS ONE-
???dc.source???: dc.sourceScopus-
Título: dc.titleMotor strategy during postural control is not muscle fatigue joint-dependent, but muscle fatigue increases postural asymmetry-
Tipo de arquivo: dc.typelivro digital-
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