Analiza razlika u motoričkim sposobnostima, stanju uhranjenosti i kompozitnosti tijela i provođenju slobodnog vremena između učenika drugih i trećih razreda osnovne škole
Analysis of differences in motor skills, nutritional status and body composition, and leisure time between second and third-grade elementary school students

Summary/Abstract: Today, students spend more and more time indoors with television, computers, tablets, mobile phones, and games. They are less physically active, negatively affecting their proper growth and development. Organizing and conducting testing and measuring students can ensure positive effects of teaching on positive changes in growth and development. Because of those above, this research aimed to determine the differences in motor skills, nutritional status body composition, and spending free time between 2nd and 3rd grade elementary school students. The research was conducted on a sample of N=710 students of the 2nd and 3rd grades of elementary school, of which N=361 are students from the 2nd grade and N=349 are students from the 3rd grade. The statistical program for personal computers, SPSS for Windows, version 22, was used for data processing. Analyzing the results of the t-test, it was determined that there are statistically significant differences in the following motor tests: hand tapping, reaching in a squat, long jump from a standing position, and lying down in a squat at a level of less than 1% (p<0.01). The differences were insignificant in the flamingo, hand strength, push-up endurance, and 10x5 m back-and-forth tests. Motor skills were significantly influenced by the way of spending free time. By analyzing the results of nutrition and body composition, it was determined that there are statistically significant differences between 2nd and 3rd graders in the body mass index (BMI), basal metabolic rate (BMR), triceps and suprailiac folds at a level of less than 1% (p<0.01), as well as in subscapular folds at a level of less than 5%. (p<0.05). No differences in percent body fat (PBF) were identified. Looking at 2nd and 3rd-grade students separately, it can be concluded that obesity is present only among 2nd-grade students, while overnutrition is more common among 3rd-grade students.

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