Comparison of the acute effects of traditional versus high velocity resistance training on metabolic, cardiovascular, and psychophysiological responses in elderly hypertensive women
Received 30 January 2018
Accepted for publication 23 March 2018
Published 31 July 2018 Volume 2018:13 Pages 1331—1340
Checked for plagiarism Yes
Review by Single-blind
Peer reviewers approved by Dr Andrew Yee
Peer reviewer comments 2
Editor who approved publication: Dr Richard Walker
Vânia Silva Macedo Orsano,1,2 Wilson Max Almeida Monteiro de Moraes,2 Nuno Manuel Frade de Sousa,3 Felipe Carmo de Moura,2 Ramires Alsamir Tibana,4 Alessandro de Oliveira Silva,5 Silvana Schwerz Funghetto,6 Brad J Schoenfeld,7 Jonato Prestes2
1Department of Physical Education, Federal University of Piaui (UFPI), Piauí, Brazil; 2Post Graduation Program on Physical Education, Catholic University of Brasilia (UCB), Brasília, Brazil; 3Laboratory of Exercise Physiology, Faculty Estacio of Vitoria, Espirito Santo, Brazil; 4Department of Physical Education, Federal University of Mato Grosso (UFMT), Mato Grosso, Brazil; 5Faculty of Education and Health Sciences, University Center of Brasilia (UniCEUB), Brasília, Brazil; 6Graduation Program in Health Sciences, University of Brasilia (UnB), Brasília, Brazil; 7Department of Health Sciences, CUNY Lehman College, Bronx, NY, USA
Objectives: The aim of the present study was to compare the acute effects of traditional
resistance training (RT) versus high velocity RT (HVRT) on metabolic, cardiovascular, and psychophysiological responses in elderly hypertensive women.
Methods: Fifteen elderly women (mean age ± standard deviation, 67.1±6.9 years) classified as having hypertension stage 1 or 2 were randomly allocated to complete traditional RT or HVRT; 1 week later, subjects allocated to RT completed the HVRT session and vice-versa. Heart rate, blood pressure, affective response, perceived effort, and blood samples analyzing lactate, nitrate, nitrite, oxidative damage (thiobarbituric acid reactive substances [TBARS]), and 6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid equivalent antioxidant capacity (TEAC) collected before and after training sessions were assessed. Nutritional counseling was provided regarding nutrients that could affect cardiovascular and nitrate/nitrite analysis.
Results: Systolic blood pressure was not statistically different (p>0.05) between conditions at the beginning and during 30 minutes after sessions. Diastolic blood pressure, rate pressure product, and heart rate were not statistically different (p>0.05) between conditions at the beginning and during 45 minutes after sessions. Nitric oxide was significantly higher (p<0.0005) for HVRT compared to RT after 30 minutes of exercise. TBARS and TEAC were significantly higher (p<0.05) for HVRT compared with RT only immediately after exercise. There were no differences for psychophysiological variables between protocols.
Conclusion: The acute cardiovascular and metabolic responses, including oxidative stress, are transient and within normal values. Taken together with the positive affective responses, both HVRT and RT with this intensity and volume seem to be safe for elderly hypertensive women under medication.
Keywords: aging, resistance training, power training, blood pressure, nitric oxide, oxidative stress
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