المجلة العلمية للتربية البدنية و الرياضية
Volume 24, Numéro 1, Pages 280-286
2025-01-31

The Effect Of A Recreational Physical Activity Program On Changes In Body Mass Index In Overweight School Adolescents (15-18 Years)



Authors : Nezzar Mouhamed . Lazzouti Alaeddine . Belounic Rachid .

Abstract

Low physical activity is a significant risk factor for public health across different segments of society. This is particularly evident in the physiological changes that occur in the human body after prolonged periods of low physical activity. The researchers aim to propose a program based on recreational physical activity, incorporating aerobic exercises, muscle strengthening, and anaerobic activities, to be implemented after validating its effectiveness on a group of school-aged adolescents (15-18 years) over a period of three months. The participants were high school students aged 15-18 years who were overweight or obese, as classified by their body mass index (BMI). They were selected from two high schools in the municipality of Tamlouka, Guelma, with 15 students representing both the experimental and control groups. The experimental group participated in a structured recreational sports program for three months, with three sessions per week. Pre- and post-measurements were conducted, yielding the following results: • There were statistically significant differences in BMI between the pre- and post-measurements (p < 0.05) with a medium effect size (d = 0.41), favoring the post-measurement. This indicates that the proposed program effectively reduced the body mass of the participants, which the researchers attributed to a decrease in fat mass and a slight increase in muscle mass, likely contributing to higher energy expenditure.

Keywords

Recreational sports activity ; body mass index ; overweight and obesity

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