試合期における高校女子ラクロス選手の学年別からみた身体的特徴と栄養素摂取状況の違い

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  • Differences in physical characteristics and nutrient intake of high school female lacrosse players by grade
  • シアイキ ニ オケル コウコウ ジョシ ラクロス センシュ ノ ガクネン ベツ カラ ミタ シンタイテキ トクチョウ ト エイヨウソ セッシュ ジョウキョウ ノ チガイ

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In this study, we evaluated the differences in the physical characteristics and nutrient intake among high school female lacrosse players in different grades. Our sample pool for survey consisted of 20 first graders and 8 second graders. The survey assessed various physical characteristics (height and weight, body fat percentage, body fat mass, lean mass index, body mass index (BMI)) as well as food intake frequency. We found that the BMI and lean body mass were significantly higher in the second grade than in the first grade. It can be speculated that the lean body mass increased more than the body fat mass, and the body weight tended to increase as the female students proceeded from first grade to the second grade. Interestingly, the nutritional intake was lower than the dietary intake standards in both the grades. Some nutrients were consumed in sufficient quantities by some students, e.g. highly competitive female high school lacrosse players. Finally, our analysis established a significant negative correlation between energy (calorie intake as lipids and carbohydrates) and body weight among the first graders. No significant association between energy-related nutrient intake and body weight was found in the second graders. No association of body weight and protein intake was found for both the grades.

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