The relationship between flexibility index and strength and endurance in boys aged 16 to 18 in technical and vocational schools.

Document Type : Research Paper

Authors

1 Department of exercise physiology, Faculty of Sports Sciences, Shahid Rajaee Teacher Training University, Tehran, Iran.

2 Department of Exercise Physiology, Faculty of Sports Sciences, Shahid Rajaee University, Tehran, Iran

Abstract

Background and Objectives: Physical fitness and physical education are very important for the development and health of students, both now and in the future. The main objective of this research is to determine the correlation between three physiological variables: flexibility, strength, and endurance, as well as to examine the impact of flexibility on strength and endurance in this specific age group.
Methods: The participants included 30 male students from the second level of secondary education, aged between 16 and 18 years, who were selected using a random sampling method. The research method was semi-experimental, and the tests were evaluated in the field under nearly identical conditions. To examine the relationship between variables in the groups, Pearson correlation coefficient was used, and for the statistical analysis of the data, One-way ANOVA was employed. A significance level of 0.05 was considered in this study.
Findings: In examining the relationship between variables, it was shown that there is a significant correlation between the variable of flexibility and strength. It was determined that with increasing age, flexibility significantly decreases while strength increases. However, no significant correlation was observed in other variables. In the intergroup comparison of endurance and strength variables, no significant differences were found between the groups. In contrast, the differences in the flexibility variable between the groups were significant, indicating that this characteristic requires further attention and investigation.
Conclusion: The results of this research indicate that flexibility significantly decreases with age and the improvement of muscle strength. Considering the obtained results, it is suggested that alongside controlling factors such as nutrition and lifestyle, precise training programs for physical activity and flexibility for adolescents should be considered.

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Research in Sport Sciences Education (RISSE)
Volume 2, Issue 2 - Serial Number 5
Vol. 2, No.2, Summer ‎‎2024
June 2024
Pages 27-32

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