Daily moderate-intensity physical exercises inside the classroom improves lower body strength and agility in schoolchildren: a quasi-experimental study
DOI:
https://doi.org/10.47197/retos.v44i0.90676Keywords:
physical activity, flexibility, muscle strength, body mass index, physical endurance, preschoolAbstract
The objective of the study was to determine the changes in physical condition and body mass index that occur in a 16-week intervention in schoolchildren inside the classroom. Seventy-three schoolchildren (n=34 girls; n=39 boys) between the ages of 8 and 9 received the following evaluations: flexibility of the dorsal back muscles, through the weels test, muscular strength, through the standing and sitting test, agility, through the 4x10m shuttle test run and body mass index (BMI) using a stadiometer and scale. A training program was applied with flexibility, strength and resistance exercises were performed (30 minutes, 5x/ week). There was a decrease in BMI, (difference of 0.60kg/cm2 in both genders), increase in strength (10.4 repetitions in girls and 11.6 in boys) and improvement of the agility (0.91 seconds in girls and 0.71 seconds in boys), p<0.05 in all comparisons and effect size between 0.20-1.77 in girls and 0.18-2.34 in boys. The rate of obesity and overweight among the students in the class was reduced by one 5.3% and 5.9% respectively. There were no differences in flexibility (p>0.05). A daily training in schoolchildren without implementation and in a space of one square meter decreases BMI, improves lower body strength and agility in schoolchildren.
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Copyright (c) 2021 Gaston Eduardo Ibañez Rojas, Ivana Leao Ribeiro, Patricio Andres Inostroza Dominguez, Daniela Margarita Vergara Rojas, Ricardo Souza de Carvalho
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