Abstract

The aim of this study was to analyze the autonomic modulation, physical activity, body mass index, and academic performance of preschool and school students by grade. Extracurricular physical activity, heart rate variability, body mass index, and objective and subjective academic performance were analyzed in 180 preschool and primary school students (7.91 ± 2.29 years). Significant lower heart rate and higher parasympathetic modulation were found in 10–12-year-old primary education students. The 8–9-year-old students obtained the worst results in English and in five of the subjective academic performance items. Students aged 10–12 years old presented the highest body composition values. No significant differences were found on the extracurricular physical activity by age. No correlation between autonomic profile, physical activity, and body composition with objective academic performance was found. Nerveless subjective academic performance perception of teachers presented a negative correlation with body composition and the parasympathetic modulation. School students presented an increased body mass index and parasympathetic modulation by age. Physical activity of all students, independently of the age, were lower than the official recommendations.

Highlights

  • Success in the educational process is usually related to aspects that reflect in individual qualification depending on the knowledge area, daily performance, and attitude

  • It is known that promoting healthy habits during early school age seems to be quite noteworthy to improve academic achievement [6,7] and could be capital to keep a healthy lifestyle in the future, especially in western countries with an important increase in sedentarism and obesity [8,9,10]

  • No significant differences have been found between groups in the other heart rate variability (HRV) variables measured (Table 1)

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Summary

Introduction

Success in the educational process is usually related to aspects that reflect in individual qualification depending on the knowledge area, daily performance, and attitude. It is known that promoting healthy habits (including physical activity) during early school age seems to be quite noteworthy to improve academic achievement [6,7] and could be capital to keep a healthy lifestyle in the future, especially in western countries with an important increase in sedentarism and obesity [8,9,10]. In this line, an excessive fat percentage was related to increased morbidity and mortality. This is important since the amount of physical activity, sport practice, kind of practice, and the intensity carried out by students in their free time are considered important factors for the students’ multidimensional growth [16,17]

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