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2010 巻 , 48 号
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原著
  • 陳 周業, 石井 良昌, 渡部 和彦
    2010 巻 (2010) 48 号 p. 48_1-48_7
    公開日: 2011/04/20
    ジャーナル フリー
    The purpose of this study was to analyze the developmental motion of standing long jump performance in elementary school children. One hundred twenty eight male school children (1st-6th grade) and eleven male adults (29.2±5.8 years, 172.7±4.7cm, 70.7±6.6kg) participated in this study. Subjects performed standing long jump as far as possible, the distance of jump was measured. And the motion of the body segments was recorded and analyzed in the shoulder, hip and knee joints using a 2-D video analysis system. As a result, ranges of motion in hip and shoulder joints increase with aging, but no significant differences were observed in the knee joint among all children and adults. The angles of forward trunk lean at the moment of shoulder joint's full extension and take-off increase from the 1st grade to the 3rd grade (p<0.05), but no significant differences were observed among 3rd∼6th grades. The results of coefficient correlations were found for the jump performance with the ranges motion of shoulder joint (r=0.435), hip joint (r=0.294) and knee joints (r=0.396). No significant differences were found between the 6th grade and adults in all parameters. Our study suggested we should know these characteristics of developmental motion when teaching the standing long jump in elementary school children.
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