Effects of a Physical Exercise Program and Health Advice on Sedentary Behavior of Adolescents

Rodolfo Carlos dos Santos Silva Filho (), Jeffer Eidi Sasaki, Alex Pinheiro Gordia and Alynne Christian Ribeiro Andaki
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Rodolfo Carlos dos Santos Silva Filho: Postgraduate Program in Physical Education, Federal University of Triângulo Mineiro, Uberaba 38061-500, MG, Brazil
Jeffer Eidi Sasaki: Postgraduate Program in Physical Education, Federal University of Triângulo Mineiro, Uberaba 38061-500, MG, Brazil
Alex Pinheiro Gordia: Teachers Training Center, Federal University of Recôncavo da Bahia, Amargosa 45300-000, BA, Brazil
Alynne Christian Ribeiro Andaki: Postgraduate Program in Physical Education, Federal University of Triângulo Mineiro, Uberaba 38061-500, MG, Brazil

IJERPH, 2023, vol. 20, issue 2, 1-14

Abstract: Sedentary behavior (SB) is a risk factor for chronic non-communicable diseases. This study aimed to assess the effects of an extracurricular physical exercise program and health advice on SB in adolescents. This was a non-randomized experimental study involving 19 adolescents divided into an intervention group (IG) and a control group (CG), aged 13–16 years from a public school in a Brazilian municipality. SB was measured using self-reports and accelerometers. The intervention included physical exercise and health advice. Repeated measures analysis of variance with a significance level of α = 5% was used. There was a time*group interaction for the subscapular fold ((pre IG = 16.30 mm vs. CG = 13.44 mm, post IG = 14.00 mm vs. CG = 15.89 mm) p = 0.001), and VO 2 MAX ((pre IG = 32.75 mL/kg/min vs. CG = 30.66 mL/kg/min, post IG = 35.76 mL/kg/min vs. CG = 29.28 mL/kg/min) p = 0.008). The accelerometer showed significant differences between groups in the total SB ((pre IG = 647.49 min/day vs. CG = 535.24 min/day, post IG = 614.02 min/day vs. CG = 586.97 min/day) p = 0.045), with a significant decrease in the IG. In conclusion, an extracurricular physical exercise program and health advice was effective in reducing SB in adolescents.

Keywords: adolescent; exercise; screen time; sedentary behavior (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2023
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