Abstract
Prevalence of overweight and obesity is an important health problem worldwide. It was shown that physical activity and sedentary behaviour are associated with prevalence of overweight and obesity in youth individuals. However, few children and adolescents meet the World Health Organization recommendations about physical activity levels. The need to start promoting regular physical activity from an early age is crucial to avoid these problems. Therefore, the aim of the current research is to show a school-based motivational program for the promotion of healthy lifestyle in inactive adolescents grounded on Self-Determination Theory aimed at promoting physical activity adherence. The study is a quasi-experimental study (ClinicalTrials.gov ID: NCT03974607) aimed for adolescents from the 1st and 2nd high school level aged between 12 and 14 years old. The program will be based on the promotion of the three basics psychological needs: autonomy, competence and relatedness. The satisfaction of these needs is essential to fulfill the self-determined motivation and psychological well-being. The length of the sessions are 60 min, 3 times per week, during 5 months. The sessions will be based on the participants’ interests. Finally, this protocol will intend to change the perception of physical activity programs in order to focus the strategies on the motivational aspects, rather than physical activity itself as was usually conducted by previous programs
Highlights
According to the World Health Organization (WHO), overweight and obesity are defined as an abnormal or excessive accumulation of fat that can be harmful to health [1]
Previous studies have found that lack of physical activity (PA) [2,3,4] and a sedentary behaviour [5,6] is associated with a higher prevalence of overweight and obesity in youth [4,5]
The results showed higher levels in the motivational variables and quality of life in the experimental group compared to the control group
Summary
According to the World Health Organization (WHO), overweight and obesity are defined as an abnormal or excessive accumulation of fat that can be harmful to health [1]. Previous studies have found that lack of physical activity (PA) [2,3,4] and a sedentary behaviour [5,6] is associated with a higher prevalence of overweight and obesity in youth [4,5]. Physical inactivity has been defined as decrease in body movement that produces decreased energy expenditure [7]. The WHO has estimated the physical inactivity is the fourth risk factor to death in the world [1]. 6% of the deaths registered annually in the world, as well as the reasons to promote some diseases (i.e., breast and colon cancer, diabetes, or heart disease), are caused by physical inactivity [2]
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