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KMID : 1023920140160030079
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Journal of the Korean Academy of Kinesiology
2014 Volume.16 No. 3 p.79 ~ p.86
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Comparison of Putative Marker of Prenatal Androgen Exposure between Athletic Club and Non-Athletic Students in the Elementary School
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Park Mi-Rim
Lee Dong-Kyu
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Abstract
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PURPOSE: The purpose of this study was to examine the utility of 2D:4D(second digit to fourth digit ratio) as the subsidiary measure for expecting physical fitness when it comes to the recruiting student athletes.
METHOD: In order to achieve the goal of this study, the researcher visited 5 schools to measure 2D:4D of students. Sixty non-athletic students and 32 athletic club students were participated in this study. They were in 3rd and 4th grade from B, K, I, N and S elementary school located in Seoul D district. Software-based measurement was used to conduct this study which was strongly suggested to the highest precision estimates by Kemper & Schwerdtfeger(2009). Therefore electronic images of hands were used for analysis. Measurement were made with Adobe Photoshop with pixel accuracy. The t test was used to compare of putative marker of prenatal androgen exposure between athletic club and non-athletic students in the elementary school.
RESULT: There were significant differences between 2D:4D of athletic club students and 2D:4D of non-athletic students. First, 2D:4D of athletic club students showed the lower value than 2D:4D of non-athletic students(p<.01). Second, 2D:4D of baseball club students showed the lower value than 2D:4D of non-athletic students(p<.05). Third, 2D:4D of soccer club students showed the lower value than 2D:4D of non-athletic students(p<.05).
CONCLUSION: Based on the results of this study, 2D:4D can be considered when the schools recruit athletes. However, physical fitness is not decided by only innate factors. Thus this paper suggest that Blind faith in 2D:4D should be avoided.
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KEYWORD
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elementary school students, athletic club, 2D:4D, finger length ratio
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