Effects of Circuit Weight-Interval Training on Physical Fitness, Cardiac Autonomic Control, and Quality of Life in Sedentary Workers

Silvio A. Oliveira-Junior, Daniel Boullosa, Maria L. M. Mendonça, Larissa F. C. Vieira, Wania W. Mattos, Bruna O. C. Amaral, Dayanne S. Lima-Borges, Filipe A. Reis, Marcelo D. M. Cezar, Luiz C. M. Vanderlei and Paula F. Martinez
Additional contact information
Silvio A. Oliveira-Junior: Integrated Institute of Health, Federal University of Mato Grosso do Sul—UFMS, Campo Grande 79070-900, MS, Brazil
Daniel Boullosa: Integrated Institute of Health, Federal University of Mato Grosso do Sul—UFMS, Campo Grande 79070-900, MS, Brazil
Maria L. M. Mendonça: Integrated Institute of Health, Federal University of Mato Grosso do Sul—UFMS, Campo Grande 79070-900, MS, Brazil
Larissa F. C. Vieira: Integrated Institute of Health, Federal University of Mato Grosso do Sul—UFMS, Campo Grande 79070-900, MS, Brazil
Wania W. Mattos: Integrated Institute of Health, Federal University of Mato Grosso do Sul—UFMS, Campo Grande 79070-900, MS, Brazil
Bruna O. C. Amaral: Integrated Institute of Health, Federal University of Mato Grosso do Sul—UFMS, Campo Grande 79070-900, MS, Brazil
Dayanne S. Lima-Borges: Integrated Institute of Health, Federal University of Mato Grosso do Sul—UFMS, Campo Grande 79070-900, MS, Brazil
Filipe A. Reis: Department of Physical Therapy, Anhanguera University—UNIDERP, Campo Grande 79003-010, MS, Brazil
Marcelo D. M. Cezar: Department of Physical Education, Itapeva Social and Agrarian Sciences College—FAIT, Itapeva 18412-000, SP, Brazil
Luiz C. M. Vanderlei: Department of Physical Therapy, Sao Paulo State University—UNESP, Presidente Prudente 19060-900, SP, Brazil
Paula F. Martinez: Integrated Institute of Health, Federal University of Mato Grosso do Sul—UFMS, Campo Grande 79070-900, MS, Brazil

IJERPH, 2021, vol. 18, issue 9, 1-18

Abstract: Sedentary behaviors, those that involve sitting and low levels of energy expenditure, have been associated with several adverse cardiometabolic effects. This study evaluated the chronic effects of a combined circuit weight interval training (CWIT) on physical fitness, quality of life, and heart rate variability (HRV), and compared the effects of CWIT-induced autonomic adaptations on different postures in adult sedentary workers. Twenty-seven sedentary workers (age 36.9 ± 9.2 years old, 13 men and 14 women) were divided into two groups: control, who continued their sedentary behavior, and experimental, who were submitted to a CWIT for 12 weeks, completing two ~40 min sessions per week. Monitoring of 8th, 16th, and 24th sessions revealed a moderate training load during sessions. Participants exhibited an improved aerobic capacity (VO 2 max, 34.03 ± 5.36 vs. 36.45 ± 6.05 mL/kg/min, p < 0.05) and flexibility (22.6 ± 11.4 vs. 25.3 ± 10.1 cm, p < 0.05) after the training period. In addition, they showed greater quality of life scores. However, the CWIT did not change body composition. Interestingly, more HRV parameters were improved in the seated position. The CWIT used in the current study was associated with improvements in several fitness and quality of life parameters, as well as in cardiac autonomic control of HR in adult sedentary workers. Examination of different body positions when evaluating changes in HRV appears to be a relevant aspect to be considered in further studies. Future randomized controlled trials (RCTs) with larger samples of both sexes should confirm these promising results.

Keywords: sedentary behavior; autonomic modulation; exercise; quality of life; physical fitness (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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