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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국초등체육학회 한국초등체육학회지 한국초등체육학회지 제16권 제1호
발행연도
2010.1
수록면
107 - 116 (10page)

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초록· 키워드

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The purpose of this study was provide a motion model based on analyzing 3 motion cinematography and to investigate the differences of motion based on period in a bowling game of elementary students. In detail, differences of bowling throwing motion were analyzed in a game divided by three phases, early(1-3), mid(4-7), and end(8-10). Also, 3 students who were 5th and 6th grade, 160's of average score, and more than two years experience were involved in this study. Paired t-test was used to analyze the difference by using SPSS(ver 12.0) with significance of level of .o5. Results of this study are as follows. The time by the first step, second step, third step, fourth step, and fifth step were about .67sec, .73sec, .48sec, .42sec, and .25sec respectively. It is also indicated that length of strides by the first step, second step, third step, fourth step, and fifth step were about 23㎝, 38㎝, 48㎝, 52㎝, and 69㎝ respectively. Ball position based on sliding ankle when releasing the ball was about 15㎝ side, about 10㎝ front, about 9㎝ high, and 33㎝ sliding with 7.06㎧ velocity. When releasing the ball, angle for ankle, knee, shoulder tilt, shoulder twist, and upper body twist were about 102°, 147°, 25°, 33°, and 20° respectively. Changes of feet position from the start throwing motion to end of it were that right and left foot moved to toward the hand with ball about 34㎝ and 48㎝ respectively. However, there was no significant differences in every variables. Based on the results of this study, even elementary student could maintain consistent motion if they are certain level of performance. However, there is a need for future research considering continuos game situation like tournament because they would need more physical strength.

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