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논문 기본 정보

자료유형
학술저널
저자정보
藤井勝紀 (日本·愛知工業大学) 田中望 (日本·東海学園大学) 고인태 (경희대학교) 김준동 (덕성여자대학교)
저널정보
한국체육과학회 한국체육과학회지 한국체육과학회지 제24권 제6호 (자연과학 편)
발행연도
2015.12
수록면
1,329 - 1,338 (10page)

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초록· 키워드

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Bone mass is reported to peak at about the age of 15 to 17 years, but the peak in bone density is not clear. Therefore, the pubertal peak in bone density is also unknown. In this study, using a method of assessing bone density by stiffness coefficient, we applied a least squares approximation polynomial to stiffness coefficient age distance values from the first grade of elementary school until the third year of junior high school (ninth grade), and investigated the changing trends with age. The results showed the age-related changes in the stiffness coefficient, BUA value, and SOS value based on third order least squares approximation polynomials. The peaks determined from the second-order polynomial curve of the first derivative were 11.4 years old with the stiffness coefficient and near 11.5 years old with the BUA and SOS values. Next, to identify the pubertal peak (maximum peak velocity: MPV) of the stiffness coefficient, wavelet interpolation was applied and peak stiffness was derived. The MPV age of the stiffness coefficient was 11.2 years old. The MPV age of height is 12.6 years old and the MPV of weight is 13.4 years old. This MPV age for bone density is earlier that the MPV ages for height and weight, and it is conjectured that on average this is related to the growth of the length of the lower limbs (lower legs). On the other hand, the possibility cannot be ruled out that substantial development of bone density promotes growth in height.

목차

Abstract
Ⅰ. 서론
Ⅱ. 연구방법
Ⅲ. 결과
Ⅳ. 논의
Ⅴ. 결론
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UCI(KEPA) : I410-ECN-0101-2016-692-002290716