dc.contributorCatai, Aparecida Maria
dc.contributorhttp://genos.cnpq.br:12010/dwlattes/owa/prc_imp_cv_int?f_cod=K4793978Y6
dc.contributorhttp://lattes.cnpq.br/2346902876883219
dc.creatorLeite, Poliana Hernandes
dc.date.accessioned2009-10-16
dc.date.accessioned2016-06-02T20:19:12Z
dc.date.available2009-10-16
dc.date.available2016-06-02T20:19:12Z
dc.date.created2009-10-16
dc.date.created2016-06-02T20:19:12Z
dc.date.issued2009-06-10
dc.identifierLEITE, Poliana Hernandes. Respostas da frequência cardíaca durante o exercício isométrico de pacientes submetidos à reabilitação cardíaca fase III. 2009. 51 f. Dissertação (Mestrado em Ciências Biológicas) - Universidade Federal de São Carlos, São Carlos, 2009.
dc.identifierhttps://repositorio.ufscar.br/handle/ufscar/5254
dc.description.abstractCardiovascular responses to different isometric contractions were evaluated in 12 patients (63 ± 11,6 years, mean ± dp) with coronary artery disease and/or risk factors, participants in the cardiac rehabilitation phase III. Heart rate variation (&#916;HR) was evaluated during maximum (CVM, five and ten seconds in duration) and submaximal (CVSM, 30 and 60% of CVM-5, until muscle exhaustion) voluntary contraction, using a handgrip dynamometer. Additionally, the RMSSD (representative index of vagal modulation) was calculated at rest (precontraction), at the last 30 seconds of CVSM and recovery (post-contraction). &#916;HR showed higher values in CVM CVM-10 vs-5 (17 ± 5,5 vs 12 ± 4,2 bpm, p <0.05) and the CVSM-60 vs CVSM -30 (19 ± 5,8 vs 15 ± 5,1 bpm, p <0.05). However, results for CVM-10 showed similar &#916;HR compared to results for CVSM (p> 0.05). RMSSD at rest decreased (p <0.05) during CVSM-30 (30% = 28 ± 17 vs 13 ± 8 ms) and CVSM-60 (60% = 26 ± 18 vs 10 ± 4 ms), but returned to baseline values as the contraction was interrupted. In in patients with coronary artery disease and/or risk factors, low intensity isometric contraction, maintained over long periods of time, presents the same effect on the responses of HR, compared to a briefly high intensity or maximal isometric effort.
dc.publisherUniversidade Federal de São Carlos
dc.publisherBR
dc.publisherUFSCar
dc.publisherPrograma de Pós-Graduação em Fisioterapia - PPGFt
dc.rightsAcesso Aberto
dc.subjectFisioterapia
dc.subjectContração isométrica
dc.subjectFrequência cardíaca
dc.subjectSistema cardiovascular - Doenças - Pacientes -Reabilitação
dc.subjectControle autonômico
dc.subjectIsometric contraction
dc.subjectHeart rate
dc.subjectCardiac rehabilitation
dc.subjectAutonomic control
dc.titleRespostas da frequência cardíaca durante o exercício isométrico de pacientes submetidos à reabilitação cardíaca fase III
dc.typeTesis


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