Strength and power training did not modify cardiovascular responses to aerobic exercise in elderly subjects

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dc.contributor.authorKanegusuku, Hélcio
dc.contributor.authorQueiroz, Andréia Carneiro Carrenho
dc.contributor.authorChehuen, Marcel da Rocha
dc.contributor.authorCosta, Luiz Augusto Riani
dc.contributor.authorWallerstein, Lilian França
dc.contributor.authorMello, Marco Tulio de [UNIFESP]
dc.contributor.authorUgrinowitsch, Carlos
dc.contributor.authorForjaz, Cláudia Lúcia de Moraes
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionUniversidade Federal de São Paulo (UNIFESP)
dc.date.accessioned2015-06-14T13:43:14Z
dc.date.available2015-06-14T13:43:14Z
dc.date.issued2011-09-01
dc.description.abstractResistance training increases muscle strength in older adults, decreasing the effort necessary for executing physical tasks, and reducing cardiovascular load during exercise. This hypothesis has been confirmed during strength-based activities, but not during aerobic-based activities. This study determined whether different resistance training regimens, strength training (ST, constant movement velocity) or power training (PT, concentric phase performed as fast as possible) can blunt the increase in cardiovascular load during an aerobic stimulus. Older adults (63.9 ± 0.7 years) were randomly allocated to: control (N = 11), ST (N = 13, twice a week, 70-90% 1-RM) and PT (N = 15, twice a week, 30-50% 1-RM) groups. Before and after 16 weeks, oxygen uptake (VO2), systolic blood pressure (SBP), heart rate (HR), and rate pressure product (RPP) were measured during a maximal treadmill test. Resting SBP and RPP were similarly reduced in all groups (combined data = -5.7 ± 1.2 and -5.0 ± 1.7%, respectively, P < 0.05). Maximal SBP, HR and RPP did not change. The increase in measured VO2, HR and RPP for the increment in estimated VO2 (absolute load) decreased similarly in all groups (combined data = -9.1 ± 2.6, -14.1 ± 3.9, -14.2 ± 3.0%, respectively, P < 0.05), while the increments in the cardiovascular variables for the increase in measured VO2 did not change. In elderly subjects, ST and PT did not blunt submaximal or maximal HR, SBP and RPP increases during the maximal exercise test, showing that they did not reduce cardiovascular stress during aerobic tasks.en
dc.description.affiliationUniversidade de São Paulo Escola de Educação Física e Esporte Laboratório de Hemodinâmica da Atividade Motora
dc.description.affiliationUniversidade de São Paulo Escola de Educação Física e Esporte Laboratório de Adaptação Neuromuscular ao Treinamento de Força
dc.description.affiliationUniversidade Federal de São Paulo (UNIFESP) Centro de Estudos em Psicobiologia e Exercício
dc.description.affiliationUnifespUNIFESP, Centro de Estudos em Psicobiologia e Exercício
dc.description.sourceSciELO
dc.format.extent864-870
dc.identifierhttp://dx.doi.org/10.1590/S0100-879X2011007500100
dc.identifier.citationBrazilian Journal of Medical and Biological Research. Associação Brasileira de Divulgação Científica, v. 44, n. 9, p. 864-870, 2011.
dc.identifier.doi10.1590/S0100-879X2011007500100
dc.identifier.fileS0100-879X2011000900006.pdf
dc.identifier.issn0100-879X
dc.identifier.scieloS0100-879X2011000900006
dc.identifier.urihttp://repositorio.unifesp.br/handle/11600/6595
dc.language.isoeng
dc.publisherAssociação Brasileira de Divulgação Científica
dc.relation.ispartofBrazilian Journal of Medical and Biological Research
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectAgingen
dc.subjectResistance trainingen
dc.subjectMaximal exercise testen
dc.subjectAerobic exerciseen
dc.titleStrength and power training did not modify cardiovascular responses to aerobic exercise in elderly subjectsen
dc.typeinfo:eu-repo/semantics/article
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