997 resultados para Ramp incremental test


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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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The main objective of this study was to analyze the reliability of blood lactate concentration ([La]), oxygen uptake (VO2) and heart rate (FC) in an intermittent protoco, performed at 95%VO2max with passive or active recovery in untrained subjects. Participated of this study, active healthy males with 20 to 25 years, which were doing aerobic exercises witha weekly frequency of 3 sessions at least. The individulas performed, in different days, the following protocols in a cyclergometer: 1) An incremental test until exhaustion to determine maximal oxygen uptake (VO2max) and the intensity at VO2max; b) Two transitions at 95%VO2max for the determination of the VO2 kinetics parameters and; c) Two intermittent tests until exhaustion, with repetitions at 95% IVO2max and with durantion defined as being half of the duration of the slow component. The duration of the recovery was half of the duration of the effort (effort:pause of 2:1). This test was performed with passive (GP) and active recovery (GA). The VO2 and FC were measured continulously in both tests. Blood collections were performed for the determination of the [La]. There was significant correlação in both groups for VO2 (ATIVA - 0.94, PASSIVA - 0.75), [La] (ATIVA - 0.83, PASSIVA - 0.90) and FC (0.93) only for the passive group. Thus, it can be concluded that the cardiorrespiratory and metabolic responses present good realiability in an intermittent exercise with active or passive recovery