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Open AccessArticle

Sedentary Behavior: A Key Component in the Interaction between an Integrated Lifestyle Approach and Cardiac Autonomic Function in Active Young Men

1
Postgraduate Program in Health Sciences, University of Brasília, Brasília 70904-970, Brazil
2
Postgraduate Program in Physical Education, Catholic University of Brasilia, Brasília 71966-700, Brazil
3
Faculty of Pharmacy of Ceilândia, University of Brasília, Brasília 72220-275, Brazil
4
Postgraduate Program in Genomic Sciences and Biotechnology, Catholic University of Brasilia, Brasília 70790-160, Brazil
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2019, 16(12), 2156; https://doi.org/10.3390/ijerph16122156
Received: 19 April 2019 / Revised: 17 May 2019 / Accepted: 30 May 2019 / Published: 18 June 2019
(This article belongs to the Special Issue Physical Activity and Health)
This study aimed to verify the association between autonomic cardiac function (CAF) and the integration of caloric expenditure by physical activity (PA) intensity, sedentary behavior (SB), and sleep quality (PSQI) in active young men. Thirty-five subjects were included, and caloric expenditure in moderate-to-vigorous and light-intensity PA, SB, and PSQI were assessed using questionnaires. Heart rate variability (HRV) was recorded for short periods of time in the supine and orthostatic positions. Multiple linear regression was realized unadjusted and adjusted for covariables, such as age, body mass index, and fat mass. No adjusted analysis indicated that, in the supine position, there were negative associations between the SB and the TP, HF, and NorHF indices, and positive associations between SB and NorLF and LF/HF. In the orthostatic position, an interaction between SB and NorLF was found. Significance of proportion with the TP, HF, and LF/HF indices was confirmed. When adjusted, for the supine position, negative interactions were documented between SB and the TP as well as the HF indices, and between PSQI and the LF/HF index, with interference under the HF and LF/HF indices. Finally, our findings indicate that the proposed approach interacts with CAF, and SB is significantly related to CAF in young active men. View Full-Text
Keywords: physical activity; sedentary behavior; sleep quality; heart rate variability physical activity; sedentary behavior; sleep quality; heart rate variability
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dos Santos, R.R.; Rosa, E.C.; Rosa, T.; Ferreira, E.A.; Gris, E.F.; de Andrade, R.V.; Amato, A.A. Sedentary Behavior: A Key Component in the Interaction between an Integrated Lifestyle Approach and Cardiac Autonomic Function in Active Young Men. Int. J. Environ. Res. Public Health 2019, 16, 2156.

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