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Acute effects of power and resistance exercises on hemodynamic measurements of older women

Authors Coelho-Júnior HJ, Irigoyen MC, Aguiar SS, Gonçalves IO, Câmara NOS, Cenedeze MA, Asano RY, Rodrigues B, Uchida MC

Received 3 February 2017

Accepted for publication 28 March 2017

Published 11 July 2017 Volume 2017:12 Pages 1103—1114


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 3

Editor who approved publication: Dr Richard Walker

Hélio José Coelho-Júnior,1,2 Maria-Cláudia Irigoyen,3 Samuel da Silva Aguiar,2,4 Ivan de Oliveira Gonçalves,2,5 Niels Olsen Saraiva Câmara,6 Marco Antonio Cenedeze,7 Ricardo Yukio Asano,2,8 Bruno Rodrigues,1 Marco Carlos Uchida1

1Applied Kinesiology Laboratory–LCA, School of Physical Education, University of Campinas, Barão Geraldo, Campinas, São Paulo, 2Center of Health Sciences, University of Mogi das Cruzes, Mogi das Cruzes, 3Hypertension Unit, Heart Institute (InCor), Medical School of University of São Paulo, 4School of Physical Education, Catholic University of Brasília, Águas Claras, Brasília, 5Community Center for Older People of Poá, Poá, 6Department of Immunobiology, Laboratory of Transplantation Immunology, Institute of Biomedical Sciences, University of São Paulo, 7Nephrology Division, Federal University of São Paulo, 8School of Arts, Sciences and Humanities, University of São Paulo, São Paulo, Brazil

Purpose: The purpose of this study was to compare the acute effects of resistance training (RT) and power training (PT) on the hemodynamic parameters and nitric oxide (NO) bioavailability of older women.
Materials and methods: A randomized experimental design was used in this study. Twenty-one older women (age: 67.1±4.6 years; body mass index: 28.03±4.9 kg/m2; systolic blood pressure: 135.1±21.1 mmHg) were recruited to participate in this study. Volunteers were randomly allocated into PT, RT, and control session (CS) groups. The PT and RT groups underwent a single session of physical exercise equalized by training volume, characterized by 3 sets of 8–10 repetitions in 8 different exercises. However, RT group performed exercise at a higher intensity (difficult) than PT (moderate) group. On the other hand, concentric contractions were faster in PT group than in RT group. Hemodynamic parameters and saliva samples (for NO quantification) were collected before and during an hour after exercise completion.
Results: Results demonstrated post-exercise hypotension during 35 minutes in the PT when compared to rest period (P=0.001). In turn, RT showed decreased heart rate and double product (P<0.001) during the whole evaluation period after exercise completion compared with the rest period. NO levels increased in the PT and RT during the whole evaluation period in relation to rest period. However, there were no differences between PT, RT, and CS regarding hemodynamic and NO evaluations.
Conclusion: Data indicate that an acute session of power and resistance exercise can be effective to cause beneficial changes on hemodynamic parameters and NO levels in older women.

Keywords: post-exercise hypotension, resistance training, power training, nitric oxide, older people

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