Título:	Resistance exercise leading to failure versus not to failure : effects on cardiovascular control
Autor(es):	Souza, Jéssica Cardoso de Tibana, Ramires Alsamir Cavaglieri, Claudia Regina Vieira, Denis César Leite Sousa, Nuno Manuel Frade de Mendes, Felipe Augusto dos Santos Tajra, Vitor Martins, Wagner Rodrigues Farias, Darlan Lopes de Balsamo, Sandor Navalta, James Wilfred Campbell, Carmen Silvia Grubert Prestes, Jonato
Assunto:	Pressão arterial Frequência cardíaca Mulheres
Data de publicação:	19-Nov-2013
Editora:	BioMed Central
Referência:	SOUZA, Jéssica Cardoso de et al. Resistance exercise leading to failure versus not to failure: effects on cardiovascular control. BMC Cardiovascular Disorders, v. 13, Article 105, p. 1-9, 19 nov. 2013. Disponível em: <https://bmccardiovascdisord.biomedcentral.com/articles/10.1186/1471-2261-13-105>. Acesso em: 3 ago. 2017. doi: 10.1186/1471-2261-13-105.
Abstract:	Background: The aim of the present study was to evaluate the acute effects of resistance exercise (RE) leading to failure and RE that was not to failure on 24 h blood pressure (BP) and heart rate variability (HRV) in sedentary normotensive adult women. Methods: Ten women (33.2 ± 5.8 years; 159.3 ± 9.4 cm; 58.0 ±6.4 kg; body fat 28.4 ± 2.8%) randomly underwent three experimental sessions: control (40 minutes of seated rest), RE leading to failure with 3 sets of 10 repetitions maximum (10-RM), and RE not to failure at 60% of 10-RM with 3 sets of 10 repetitions. Immediately post session BP and HRV were measured for 24 h. Results: Ratings of perceived exertion and heart rate were higher during the 10-RM session when compared with 60% of 10-RM (6.4 ± 0.5 vs 3.5 ± 0.8 and 123.7 ± 13.9 vs 104.5 ± 7.3 bpm, respectively). The systolic, diastolic and mean BP decreased at 07:00 a.m. after the 10-RM session when compared with the control session (−9.0 ± 7.8 mmHg, -16.0 ± 12.9 mmHg and −14.3 ± 11.2 mmHg, respectively). The root mean square of the squared differences between R-R intervals decreased after both the 60% of 10-RM and 10-RM sessions compared with the control session. Conclusions: An acute RE session leading to failure induced a higher drop of BP upon awakening, while both RE sessions reduced cardiac parasympathetic modulation. RE may be an interesting training strategy to acutely decrease BP in adult women.
Licença:	© De Souza et al.; licensee BioMed Central Ltd. 2013 This article is published under license to BioMed Central Ltd. This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Fonte: https://bmccardiovascdisord.biomedcentral.com/articles/10.1186/1471-2261-13-105. Acesso em: 3 ago. 2017.
DOI:	https://dx.doi.org/10.1186/1471-2261-13-105
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