若年層男子に見る体型指数, Body Composition, 血液値の関係

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Fifty male students of 19 to 27 years of age were investigated on their physique, skinfold thickness and hemoglobin. The following results were obtained. 1. The correlation of physique index to total skinfold thickness of triceps, scapula and abdomen (3 parts) was higher than to that of triceps and scapula. Hemoglobin concentration had high and curviliniear correlation to 3 parts skinfold thickness and to body fat % respectively. 2. The increase rate of hemoglobin parallel with skinfold thickness was lower in higher range of the value corresponding to above 30mm of thickness value, than in lower range. Concerned body fat, the increase rate of hemoglobin lowered in higher range corresponding to above 11 % of body fat. Hemoglobin value corresponding to 30mm of thickness was estimated as 15gdl and coincided with the value corresponding to 11 % of body fat, this value is the lower limit of normal value in healthy adult male. From the above facts, 30mm of 3 parts skinfold thickness and 11 % of body fat are regarded to be lower limit for maintenance of physical function and nutrition and to have important meaning for prevention and treatment of obesity. 3. From the regression equation obtained in the correlative distribution of actual values of body fat % and 3 parts skinfold thickness, skinfold thickness corresponded to 11 % of body fat was calculated as 30mm, coinciding the figure obtained in relation to hemoglobin. 4. To determine the grade of muscle volume, muscle volume index (MVI, authors) was calculated from the following formula: {(upper arm girthπ - triceps skinfold thickness)2}2× π × height This index correlated to lean body mass with high coefficient by 0.807 (p<0.001)).
〔長崎大学教養部〕の論文

若年層男子に見る体型指数, Body Composition, 血液値の関係

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