The Status of Nutrient and Food Intakes and the Nutritional Knowledge in Adolescent Rhythmic Gymnasts

청소년기 리듬체조 선수들의 영양소 및 식품 섭취 상태와 영양지식

  • Hwang, Se-Hee (Department of Food and Nutrition, Hanyang University) ;
  • Jung, Kyung-A (The research Institute for Natural Science, Hanyang University) ;
  • Kim, Chan (Department of Physiology Biophysics, Eulji University, School of Medicine) ;
  • An, Hae-Chul (Department of Physiology Biophysics, Eulji University, School of Medicine) ;
  • Jang, Yu-Kyung (Department of Food and Nutrition, Hanyang University)
  • 황세희 (한양대학교 식품영양학과) ;
  • 정경아 (한양대학교 자연과학연구소) ;
  • 김찬 (을지의과대학교 생리학교실) ;
  • 안해철 (을지의과대학교 생리학교실) ;
  • 장유경 (한양대학교 식품영양학과)
  • Published : 2004.07.01

Abstract

The objectives of this study were to investigate 1) the foods intake as well as nutrients intake, 2) the nutritional knowledge, and 3) the relations between the foods and nutrients intakes and nutritional knowledge in adolescent rhythmic gymnasts (RGs). The results are summarized as follows. Average daily intakes of energy, calcium, iron, vitamin A, vitamin B$_1$ vitamin B$_2$ and niacin were in 45-74% of the RDAs for Koreans. Average daily energy intake was only about 50% of energy expenditure by physical activities. Average daily intakes of each food group were generally lower, but intakes of breads and confectionaries, sugar and sweets, milks and dairy products, and instant foods were higher in the RGs compared to the nonathletic students of the same age from the National Health and Nutrition Suvey. The contribution of empty-calorie foods such as breads and confectionaries, beverage and instant foods to the major energy nutrients were high. Mean of total nutritional knowledge score of RGs was 28.4 of total score 50. In categorical score of nutritional knowledge, the RGs make a best score on food sources and they get the lowest marks for food exchange. Among the nutrients, intakes of crude fiber, animal Fe, Na, K, vitamin A, carotene, vitamin B$_1$ niacin and vitamin C and, among the food groups, intakes of mushrooms, fruits and meats had relations with one of the total or categorical nutritional knowledge scores in the RGs. In conclusion, nutritional status of adolescent RGs was poor due to their unbalanced diet composed of empty-calorie foods, and their undesirable food intake pattern was supposed to be related to the low nutritional knowledge score of them. These results indicate that the RGs should be given more nutritional knowledge to improve their nutritional status and the exercise performance.

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