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Revista Brasileira de Medicina do Esporte
On-line version ISSN 1806-9940
D'ASSUNCAO, Welton et al. Acute cardiovascular responses in strenght training conducted in exercises for large and small muscular groups. Rev Bras Med Esporte [online]. 2007, vol.13, n.2, pp.118-122. ISSN 1806-9940. http://dx.doi.org/10.1590/S1517-86922007000200010.
The aim of this study was to compare the behavior of the systolic blood pressure (SBP); diastolic blood pressure (DBP); heart rate (HR) and double product (DP) during the unilateral performance of three sets of 10RM in two exercises involving distinct muscular groups. Eighteen normotense men (22.4 ± 2.7 years; 76.2 ± 9.8 kg; 175.4 ± 6.0 cm) experienced in resisted exercises participated in the study. The volunteers were submitted to the experimental procedure in four non-consecutive days. On the first day, the 10RM tests were applied in the biceps curls with dumbbells (BC) and extensor bench (SB). After 48 hours, a re-test of 10RM was performed. After the loads were obtained, three sets of 10RM were performed in the selected exercises. The performance rhythm in both exercises was controlled by a metronome, with an established time of two seconds for each of the eccentric and concentric phases. The HR was measured though a cardiofrequency meter and the SBP and the DBP through the auscultatory method. The two-way ANOVA with repeated measurements, followed by the post-hoc test by Tukey did not find differences (p > 0.05) for intra-exercises SBP. Therefore, at least in the present study, the muscular mass involved in the strength training did not influence the acute cardiovascular responses in trained normotensive subjects.
Keywords : Resisted exercises; Muscular mass; Heart rate; Blood pressure; Double product.