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논문 기본 정보

자료유형
학술저널
저자정보
송홍선 (한국스포츠정책과학원) 김광준 (한국스포츠정책과학원) 전병오 (경희대학교) 이기혁 (한국스포츠정책과학원)
저널정보
한국발육발달학회 한국발육발달학회지 한국발육발달학회지 제26권 제4호
발행연도
2018.11
수록면
357 - 365 (9page)
DOI
10.34284/KJGD.2018.11.26.4.357

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초록· 키워드

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The purpose of this study was to analyze the effects of skeletal age (SA) and chronological age (CA) on physique and physical fitness of growing baseball players. For this purpose, a total of 86 baseball players participated in this study from two elementary schools (5th and 6th grades) and two middle schools (7th and 8th graders). The measurement variables were SA, CA, physique (height, weight, chest girth, body mass index, and body composition), physical fitness (muscle strength, muscle endurance, cardiovascular endurance, power, anaerobic power, flexibility, balance, agility, reaction time, and coordination). The relationship between SA, CA, physique, and physical fitness according to grade level was analyzed by a stepwise regression analysis. The results of this study are as follows. In the case of physique, only the CA had a significant effect on body mass index and body fat percentage in the 5th grade group of elementary school. In the case of the middle school, only the CA had a significant effect on the muscle mass of the whole group. The predictive variables affecting the physical fitness of the elementary school group included CA 4 times but SA 2 times. For the middle school group, SA was included 8 times, CA 4 times. The results of this study showed that the CA was the predominant predictor for the physique of the baseball players during the growth period. In the case of physical fitness, although CA was predominantly predictive variable than that SA in the elementary school group, SA was predominantly predictor variable than that CA in the middle school group. According to the results of this study, elementary baseball players are more likely to have a better performance when CA is high, but middle school baseball players are more likely to have a better performance when SA is high.

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Abstract
Ⅰ. 서론
Ⅱ. 연구방법
Ⅲ. 결과
Ⅳ. 논의
Ⅴ. 결론
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