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O impacto da atividade física em crianças: Implementação do Projeto “CORRIDA COM A DONA RODINHA”
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A obesidade infantil e o comportamento sedentário constituem, na atualidade, graves problemas de saúde pública. O presente projeto teve como objetivo principal avaliar o impacto de um programa de intervenção de atividade física, denominado "Corrida com a Dona Rodinha", na composição corporal, na aptidão física e na satisfação lúdica de crianças do 1.º ciclo do ensino básico. A amostra do estudo foi constituída por 94 crianças (com idades entre os 8 e os 10 anos), alocadas num grupo experimental submetido a intervenção de exercício físico (n = 48) e num grupo de controlo sem intervenção (n = 46). O programa decorreu ao longo de 12 semanas, contemplando três sessões semanais de 15 minutos, focadas em jogos motores lúdicos e gamificados durante o período escolar. A metodologia incluiu avaliações pré e pós-intervenção através de medições antropométricas (peso, estatura, IMC e perímetro da cintura) e de testes motores da bateria FITescola (velocidade, agilidade e vaivém), complementada pela avaliação contínua do grau de satisfação. Os resultados revelaram que o grupo submetido ao exercício físico apresentou melhorias estatisticamente significativas na composição corporal, nomeadamente no peso (p = 0,012) e no perímetro da cintura (p = 0,013). Adicionalmente, registaram-se ganhos funcionais relevantes na velocidade e agilidade, suportados por elevadas magnitudes de efeito (d de Cohen). Observou-se ainda uma excelente aceitação do programa, com níveis de satisfação superiores a 90% na esmagadora maioria das sessões. Conclui-se que o projeto se assumiu como uma estratégia escolar eficaz e motivadora no combate e prevenção da obesidade infantil.
Childhood obesity and sedentary behavior are currently major public health issues. The primary objective of this project was to evaluate the impact of a physical activity intervention program, named "Corrida com a Dona Rodinha", on the body composition, physical fitness, and playful satisfaction of primary school children. The study sample consisted of 94 children (aged 8 to 10 years), allocated into an experimental group undergoing a physical exercise intervention (n = 48) and a control group without intervention (n = 46). The program was implemented over 12 weeks, consisting of three 15-minute sessions per week, focusing on playful and gamified motor games during the school period. The methodology included pre- and post-intervention assessments using anthropometric measurements (weight, height, BMI, and waist circumference) and motor tests from the FITescola battery (speed, agility, and PACER), complemented by a continuous evaluation of satisfaction levels. The results revealed that the exercise group showed statistically significant improvements in body composition, specifically regarding weight (p = 0.012) and waist circumference (p = 0.013). Additionally, there were relevant functional gains in speed and agility, supported by high effect sizes (Cohen's d). Furthermore, there was an excellent acceptance of the program, with satisfaction levels exceeding 90% in the vast majority of sessions. In conclusion, the project proved to be an effective and motivating school-based strategy in combating and preventing childhood obesity.
Childhood obesity and sedentary behavior are currently major public health issues. The primary objective of this project was to evaluate the impact of a physical activity intervention program, named "Corrida com a Dona Rodinha", on the body composition, physical fitness, and playful satisfaction of primary school children. The study sample consisted of 94 children (aged 8 to 10 years), allocated into an experimental group undergoing a physical exercise intervention (n = 48) and a control group without intervention (n = 46). The program was implemented over 12 weeks, consisting of three 15-minute sessions per week, focusing on playful and gamified motor games during the school period. The methodology included pre- and post-intervention assessments using anthropometric measurements (weight, height, BMI, and waist circumference) and motor tests from the FITescola battery (speed, agility, and PACER), complemented by a continuous evaluation of satisfaction levels. The results revealed that the exercise group showed statistically significant improvements in body composition, specifically regarding weight (p = 0.012) and waist circumference (p = 0.013). Additionally, there were relevant functional gains in speed and agility, supported by high effect sizes (Cohen's d). Furthermore, there was an excellent acceptance of the program, with satisfaction levels exceeding 90% in the vast majority of sessions. In conclusion, the project proved to be an effective and motivating school-based strategy in combating and preventing childhood obesity.
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Atividade física Obesidade infantil Promoção da saúde Jogos motores Physical activity Childhood obesity Health promotion Motor games School context Contexto escolar