Post-dynamic resistance exercise hypotension showed moderate interindividual variation for systolic blood pressure (SDIR 4.4 mmHg) and was greater in individuals with higher baseline blood pressure and after protocols with multiple sets.
Observational (n=131)
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Does dynamic resistance exercise reduce blood pressure (PREH) and what predicts the magnitude of this response in subjects?
Post-dynamic resistance exercise hypotension exhibits considerable interindividual variation, with greater magnitude observed in individuals with higher baseline blood pressure and those performing higher volume exercise protocols.
Background: Post-dynamic resistance exercise hypotension (PREH) has been largely demonstrated. However, little is known regarding the interindividual variation of PREH magnitude and its predictors (i.e. factors of influence). Aims: To assess the interindividual variation of PREH and its predictors related to the characteristics of the individuals and the exercise protocol. Methods : This study retrospectively analysed data from 131 subjects included in seven controlled trials about PREH (including at least one dynamic resistance exercise and one control session) conducted by two research laboratories. The interindividual variation was assessed by the standard deviation of the individual responses ( SD IR ), and linear regression analyses were conducted to explore the predictors. Results: PREH showed moderate interindividual variation for systolic (SBP, SD IR =4.4mmHg; 0.35 standardised units) and diastolic blood pressures (DBP, SD IR =3.6mmHg; 0.32 standardised units). For systolic PREH, multivariate regression analysis ( R 2 =0.069) revealed higher baseline SBP ( B =−0.157, p =0.008) and higher number of sets ( B =−3.910, p =0.041) as significant predictors. For diastolic PREH, multivariate regression analysis ( R 2 =0.174) revealed higher baseline DBP ( B =−0.191, p =0.001) and higher exercise volume (i.e. number of exercises * sets per exercise * repetitions per sets 150; B =−4.212, p =0.001) as significant predictors. Conclusion: PREH has a considerable interindividual variation. Greater PREH magnitude is observed in individuals with higher baseline blood pressure and after exercise protocols that comprehend higher number of sets and exercise volume.
Fecchio et al. (Thu,) conducted a observational in Post-dynamic resistance exercise hypotension (n=131). Dynamic resistance exercise vs. Control session was evaluated on Interindividual variation of systolic post-dynamic resistance exercise hypotension (Standard deviation of the individual responses [SDIR]) (95% CI 1.9 to 5.9). Post-dynamic resistance exercise hypotension showed moderate interindividual variation for systolic blood pressure (SDIR 4.4 mmHg) and was greater in individuals with higher baseline blood pressure and after protocols with multiple sets.
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