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Revista Brasileira de Medicina do Esporte

Print version ISSN 1517-8692On-line version ISSN 1806-9940


MONTEIRO, Walace David; SOUZA, Denis Alves de; RODRIGUES, Maurício Nunes  and  FARINATTI, Paulo de Tarso Veras. Acute cardiovascular responses to strength exercise in three different execution patterns. Rev Bras Med Esporte [online]. 2008, vol.14, n.2, pp.94-98. ISSN 1517-8692.

The pattern of execution can influence the acute cardiovascular responses during exercise. The study observed the heart rate (HR), systolic blood pressure (SBP), and double product (DP) during leg extension executed in three different ways - single-leg (SL), double-leg (DL) and alternate (AL). Ten healthy volunteers (28 ± 5 years-old) performed three bouts of 10 maximum repetitions of each execution pattern, with a two min interval between sets. The sessions for SL, DL, and AL were held at different days, with a 24 h interval. The results for the observed variables in each execution pattern and bout were respectively: HR1=108.6 vs 117.3 vs 110.9; HR2=120.0 vs 130.1 vs 130.0; HR=125.3 vs 137.1 vs 135.2; SBP1=143.8 vs 150.0 vs 144.8; SBP2=155.8 vs 159.6 vs 158.8; SBP3=159.6 vs 166.0 vs 164.8; DP1=15609.8 vs 17873.4 vs 16246.6; DP3=20016.8 vs 23175.2 vs 22572.0. There were no significant differences between the execution patterns in each bout. After the 2nd bout, the absolute HR and DP responses were higher for AL and SL, in comparison with DL. We conclude that the execution pattern did not significantly influence the acute cardiovascular responses. However, higher responses were systematically observed for the AL and SL patterns in a multiple series design. This information should be taken into account in programs aimed at subjects with cardiovascular disease.

Keywords : heart rate; blood pressure; double product; strength training; physical fitness.

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