上肢筋群の筋力と種々の身体計測値との関係(第3報) : 体重補正上腕囲・体重補正皮脂厚からする懸垂屈腕運動の検討

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As to the heights, weights, upper arm circumferences, upper arm skin folds, back skin folds, abdomen skin folds and pull-up scores of 635 male university students (18-21 years, excepting members of sports clubs), measurements were determined. Based on the values of the measurements obtained:1. Using the following formula, weight-corrected upper arm circumferences were calculated from the upper arm circumferences and studies were made of pull-up scores in three groups of those whose weight-corrected upper arm circumferences were under 26 cm, between 27 and 28cm and over 29 cm respectively. Y = Upper arm circumference-a X [a indicates the regression coefficient of the upper arm circumference against the weight deviation from the standard weight, and X indicates the weight deviation from the standard weight (± %).] 2. Weight-corrected total skin folds were calculated from the total skin folds (total of upper arm, back and abdomen skin folds) using the following formula, and studies were conducted of the pull-up scores of those whose weight-corrected total skin folds were under 34mm, between 35 and 44 mm, between 45 mm and 54mm, between 55 and 64mm and over 65 mm respectively. Y = Total skin fold-a X [a indicates the regression coefficient of the total skin fold against the weight deviation from the standard weight, and X shows the weight deviation from the standard weight (± %).] 3. Studies were made of the pull-up scores on both bases, i.e., weight-corrected upper arm circumference and weight-corrected total skin fold, and results were obtained as follows. (1) In the comparison made between the students whose weight-corrected upper arm circumferences were under 26 cm and those whose values were between 27 and 28cm, it was known that the pull-up scores of the latter were significantlylarger than those of the former (P<0.01) ; and as for the comparison made between the students whose values were between 27 and 28 cm and those whose values were over 29 cm, the pull-up scores of the latter were significantly larger than those of the former (P<0.05). Fig. 3 (2) In the students whose weight-corrected total skin folds were under 54 mm, almost no differences were seen in their pull-up scores, however, in the students whose values were 55 mm, their pull-up scores decreased remarkably and significantly (P<0.01), and in those whose values showed over 65mm, their pull-up scores decreased far more remarkably and significantly (P<0.01). Fig. 7 (3) In the case of weight-corrected total skin folds: (1) In the students whose total skin folds were under 34mm, no significant differences were noted in their pull-up scores between those whose weight-corrected circumferences were 26 cm, those whose values were between 27 and 28 cm and those whose values were over 29cm. (2) In the case of 35 to 44mm, the pull-up scores of those whose weight-corrected upper arm circumferences were under 26 cm were significantly smaller as compared with those whose values were between 27 and 28cm (P<0.05), however, no significant difference was noted between the pull-up scores of those whose weight-corrected upper arm circumferences were between 27 and 28 cm and those whose values were over 29 cm. (3) In the case of 45 to 54mm, the pull-up scores of those whose weightcorrected upper arm circumferences were under 26 cm were significantly smaller as compared with those whose values were between 27 and 28cm (P<0.01), and in the comparison made between those whose weight-corrected upper arm circumferences were between 27 and 28cm and those whose values were over 29cm, the pull-up scores of the latter were significantly larger than those of the former (P<0.01). (4) In the case of 55 to 64mm, almost no differences were noted in the pull-up scores of those whose weight-corrected upper arm circumferences were under 26 cm, those whose values were between 27 and 28cm and those whose values were over 29 cm. (5) Also, in the case of 65mm and over, no significant differences were seen in the pull-up scores of those who weight-corrected upper arm circumferences were under 26 cm, those whose values were between 27 and 28 cm and those whose values were over 29 cm. As stated above, the weight-corrected upper arm circumference functions as a positive factor against the pull-up exercise, while contrary to this fact, the weight-corrected total skin fold functions as a negative factor when the value gets larger in excess of a certain value. Of the students of the age subjected to the study this time, those who had their weight-corrected upper arm circumferences larger than 27 cm and their weight-corrected total skin folds under 54mm demonstrated that they had a body composition advantageous in practicing pull-up exercises.
慶應義塾大学の論文

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今栄貞吉
慶應義塾大学体育研究所

上肢筋群の筋力と種々の身体計測値との関係(第3報) : 体重補正上腕囲・体重補正皮脂厚からする懸垂屈腕運動の検討

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