nfluence of different types of breathing in cardiac response during resistance exercise
Abstract
Purpose: To analyze the cardiovascular response, using as parameter the heart rate (HR), systolic blood pressure (SBP) and double-product (DP) in three different types of breathing, defined in active breathing (AB), passive breathing (PB) and Valsalva maneuver (VM). Methods: 15 volunteers were recruited, aged 18 and 26, all healthy and with minimum experience of 6 months with strength exercises. The exercise protocol consisted of three sets of 12 repetitions maximum in leg press machine 45. The Wilcoxon test was used to compare the hemodynamic variable at the end of each series and between breath types. Results: There was significant difference in SBP, HR and DP between the time Pre (rest) and all subsequent series in all types of breathing. The MV showed higher SBP, HR and DP compared to other types of breathing in all three series of the year. Conclusion: MV entails greater cardiac overload when compared to other types of breathing.
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