Abstract
The purpose of this study was to determine the criterion validity of Yo-Yo intermittent recovery level 1 test (YYIR1) and 20-m multistage shuttle run test in estimating VO2max among U-15 national football players. A total of 30 players participated in this research (mean ± SD; height, 154 ± 6.1 cm; weight, 46.35 ± 8.1 kg; and BMI 19.4 ± 3.1 kg). Field-based tests selected for this research were YYIR1 and multistage shuttle run test (MST), and the criterion test was the Bruce running protocol test. Subjects had to undergo the entire selected test, and 7 days was given as an interval time between the tests. The descriptive and inferential statistics were implemented in data analysis using the Statistical Package for Social Sciences version 2.0 (SPSS ver. 2.0). The results showed significant correlations between these variables (MST vs. criterion test, r = 0.69; YYIR1 vs. criterion test, r = 0.55). Thus, the results confirm that both tests can be used to measure the cardiovascular fitness among under-15 football players. MST had a better correlation with Bruce protocol compared with YYIR1. Hence, coaches are recommended to use MST to measure the cardiovascular fitness among young football players.
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Acknowledgments
We would like to express our gratitude to coaches and the under-15 national football players who gave excellent cooperation in the data collection process. Special thanks to the Faculty of Sports Science and Recreation, Universiti Teknologi MARA (UiTM) Shah Alam, Selangor, Malaysia, for the support throughout the whole process of this study.
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Sulaiman, N., Din, A.S.N., Adnan, R., Ismail, S.I., Muhamad Kasim, Rn. (2014). Validity of YYIR1 and MST in Estimating VO2max Among U-15 National Football Players. In: Adnan, R., Ismail, S., Sulaiman, N. (eds) Proceedings of the International Colloquium on Sports Science, Exercise, Engineering and Technology 2014 (ICoSSEET 2014). Springer, Singapore. https://doi.org/10.1007/978-981-287-107-7_41
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DOI: https://doi.org/10.1007/978-981-287-107-7_41
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