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Effect of pedal cadence on mechanical power output and physiological variables; Efeitos da cadência de pedalada sobre a potência mecânica e variáveis fisiológicas

Cabral Dias, Marcelo Ricardo; Universidade Castelo Branco, RJ.; Calil e Silva, André; Universidade Castelo Branco, RJ.; Marques Novo Júnior, José; Universidade Federal de Juiz de Fora, MG; Batista, Luiz Alberto; Universidade Castelo Branco, RJ.; Perrou
Fonte: Universidade Federal de Santa Catarina. Florianópolis, SC. Brasil Publicador: Universidade Federal de Santa Catarina. Florianópolis, SC. Brasil
Tipo: info:eu-repo/semantics/article; info:eu-repo/semantics/publishedVersion; "Avaliado por Pares",; Avaliado por Pares Formato: application/pdf; application/pdf
Publicado em 05/09/2007 POR; ENG
Relevância na Pesquisa
The objective of this study was to compare the responses of the variables maximal power output (POmax), heart rate (HR), rating of perceived exertion (RPE), systolic blood pressure (SBP), diastolic blood pressure (DBP) and double product (DP) in the maximum reached load and during 60 and 90 rev.min-1 tests. The study sample consisted of 14 men (26.5 ± 3.5 years, 78.5 ± 7.8 kg and 178.1 ± 7.0 cm) engaged in indoor cycling classes, who undertook two tests of maximum effort using Balke’s incremental protocol. The fi rst test (test60) consisted of a pedal cadence of 60 rev.min-1 throughout the test, until voluntary exhaustion or the appearance of signs or symptom limits. The second test (test90) was at a pedal cadence of 90 rev.min-1. There were no signifi cant difference between the cadences tested in terms of HRmax (test60: 189.7±12.0 beats.min-1; test90: 190.9±10.7 beats.min-1), RPEmax (test60: 20.0±0.3; test90: 20.0±1.0) or DBPmean (test60: 76.7±4.9 mmHg; test90: 79.1 ± 5.3 mmHg). On the other hand, the values of POmax (test60: 344.6±70.1 W; test90: 285.7±61.8 W), SBPmax (test60: 186.1±14.7 mmHg; test90: 202.1±21.5 mmHg) and DPmax (test60: 35402.9±4431.7; test90: 38655.0±5270.5) were different. In relation to the behavior of the variables during the tests...