指長比率(食指:無名指)與體適能之相關性

Translated title of the contribution: Correlation of Digit Ratio (Second to Fourth) and Fitness

甘乃文, 許政成, 張清泉, 錢桂玉, 祁崇溥, 林永華

Research output: Contribution to journalArticle

Abstract

Digit ratio (second to fourth or 2D:4D) is related to the concentration of prenatal androgens. Testosterone affected fetal brain and body development; digit ratio varied due to sexual dimorphism, and exhibited correlations to athletic prowess and behavior. We investigated the sexual dimorphism of college students' digit ratio in Taiwan, and understood the correlation between digit ratio and other different fitness indicators, as well as sports participation behaviors. Additionally, we compared the digit ratio in different levels of sports participators. Total 813 college students (338 males, 475 females, aged 18-19 years) were participated in this study. Subjects were measured based on fitness and asked to complete surveys on sports participation behavior. Digit ratio was analyzed using a scanning method. Digit ratio of male subjects ( .955 ± .028) was significantly (p<.01) lower than female subjects ( .971 ± .031). As for athletic prowess of all subjects, muscle strength (handgrip strength and leg pressing), muscular endurance (sit-ups per minute) and cardiopulmonary fitness (Harvard step test) displayed a negative correlation with digit ratio of both hands (p < .05). As for sports participation of all subjects, left hand digit ratio displayed a negative correlation with exercise habits (r=-.13, p < .01) and accumulated exercise time per week (r=-.13, p < .05). We distinguished two groups by gender, which only male group cardiopulmonary fitness and accumulated exercise time per week showed a negative correlation with left hand digit ratio, while female digit ratio didn’t showed correlation with any fitness and sports participation indicators. Left hand digit ratio of male and female members of school sports teams, which had higher athletic training frequency was significantly lower than members of non-school sports teams. Our results indicated that digit ratio might affect subsequent levels of sports participation. Male groups with lower digit ratio exhibited higher levels of sports participation behavior, therefore, resulted in better cardiopulmonary fitness.
Original languageTraditional Chinese
Pages (from-to)196-205
Number of pages10
Journal大專體育學刊
Volume13
Issue number2
DOIs
Publication statusPublished - 2011

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Sports
Hand
Exercise
Sex Characteristics
Students
Muscle Strength
Taiwan
Exercise Test
Androgens
Habits
Testosterone
Leg
Brain

Keywords

  • sexual dimorphism
  • testosterone
  • athletic prowess

Cite this

指長比率(食指:無名指)與體適能之相關性. / 甘乃文; 許政成; 張清泉; 錢桂玉; 祁崇溥; 林永華.

In: 大專體育學刊, Vol. 13, No. 2, 2011, p. 196-205.

Research output: Contribution to journalArticle

甘乃文 ; 許政成 ; 張清泉 ; 錢桂玉 ; 祁崇溥 ; 林永華. / 指長比率(食指:無名指)與體適能之相關性. In: 大專體育學刊. 2011 ; Vol. 13, No. 2. pp. 196-205.
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abstract = "指長比率(食指:無名指)簡稱指長比,與胎兒時期所接觸到的雄性激素 (androgen) 濃度有關,睪固酮(testosterone) 會影響胎兒腦部及身體發展,因此指長比具性別差異性 (sexual dimorphism) 且與運動技能(athletic prowess) 及行為有關。本研究目的在探討臺灣地區大學生指長比的性別差異性,瞭解各項體適能指標及運動參與情形與指長比的相關性,並比較不同運動參與層級者之指長比差異。以 813 位(男 338 位、女 475 位)18-19 歲大學生分別進行運動參與情形調查及以掃描方式測量手指長度,另實施體適能檢測。結果男性指長比 0.955 ± 0.028 顯著低於女性 0.971 ± 0.031 (p < .01);在運動技能:全體受測者之肌力(握力與腿肌力)、肌耐力(一分鐘仰臥起坐)及心肺適能(登階體能指數)與左右手指長比具負相關性 (p < .05);而運動參與情形:全體受測者之左手指長比與運動習慣 (r = -.127, p < .01) 及每週運動時間 (r = -.130, p < .01)呈負相關;但男女分組探討,僅男性左手指長比與心肺適能 (r = -.129, p < .05) 及每週運動時間 (r = -0.136, p < .05) 呈負相關,女性之指長比與上述各項體適能與運動參與情形指標相關性不顯著;而代表較高運動訓練頻率之男女校級運動代表隊左手指長比顯著低於非校級運動代表隊。由上述結果推論,指長比可能與運動參與情形有關,因此低指長比男性有較佳的心肺適能,可能與該族群有較高的運動參與行為有關。",
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N2 - 指長比率(食指:無名指)簡稱指長比,與胎兒時期所接觸到的雄性激素 (androgen) 濃度有關,睪固酮(testosterone) 會影響胎兒腦部及身體發展,因此指長比具性別差異性 (sexual dimorphism) 且與運動技能(athletic prowess) 及行為有關。本研究目的在探討臺灣地區大學生指長比的性別差異性,瞭解各項體適能指標及運動參與情形與指長比的相關性,並比較不同運動參與層級者之指長比差異。以 813 位(男 338 位、女 475 位)18-19 歲大學生分別進行運動參與情形調查及以掃描方式測量手指長度,另實施體適能檢測。結果男性指長比 0.955 ± 0.028 顯著低於女性 0.971 ± 0.031 (p < .01);在運動技能:全體受測者之肌力(握力與腿肌力)、肌耐力(一分鐘仰臥起坐)及心肺適能(登階體能指數)與左右手指長比具負相關性 (p < .05);而運動參與情形:全體受測者之左手指長比與運動習慣 (r = -.127, p < .01) 及每週運動時間 (r = -.130, p < .01)呈負相關;但男女分組探討,僅男性左手指長比與心肺適能 (r = -.129, p < .05) 及每週運動時間 (r = -0.136, p < .05) 呈負相關,女性之指長比與上述各項體適能與運動參與情形指標相關性不顯著;而代表較高運動訓練頻率之男女校級運動代表隊左手指長比顯著低於非校級運動代表隊。由上述結果推論,指長比可能與運動參與情形有關,因此低指長比男性有較佳的心肺適能,可能與該族群有較高的運動參與行為有關。

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KW - 性別差異性

KW - 睪固酮

KW - 運動技能

KW - sexual dimorphism

KW - testosterone

KW - athletic prowess

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