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논문 기본 정보

자료유형
학술저널
저자정보
신의수 (충남대학교) 최정규 (중부대학교) 김상두 (중부대학교)
저널정보
한국체육과학회 한국체육과학회지 한국체육과학회지 제23권 제3호 (자연과학 편)
발행연도
2014.6
수록면
1,553 - 1,561 (9page)

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연구주제
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연구배경
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연구방법
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연구결과
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초록· 키워드

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The purpose of this study was to provide a quantitative base data needed to minimize physical injuries from side fall by comparing and analyzing the kinetic of the motion of side fall and side breakfall. The subjects for the motion of side fall were five healthy male university students, while the subjects for the motion of side breakfall were five male black belt holder. For the video recording, nine high speed cameras (Motionmaster 100, KOR) were used and for the analysis of impact force, a force plat (AMTI, USA) was used. To analyze the video and impact force, the program Kwon3d XP(Visol, KOR) was used. Using the technical statistical of SPPSS 18.0 program, the average and standard deviation were calculated and an independent t-test conducted to verify the difference between groups. The conclusions drawn from this study are as follows.
First, the duration time was longer for side breakfall at P2 (p<.05), while there was no significant difference in total duration time.
Second, the COM(center of mass) position was shortest for the left/right and front/back range of side breakfall, and there was a statistically sifnificant differecne at E2 and E3(p<.05).
Third, the COM(center of mass) velocity was slowest for side breakfall at E3 where the impact force of the hip is at its highest, with a statistically significant difference (p<.05).
Fourth, the impact velocity of the hand when it hits the ground at E2 showed the highest for side brekfall with a statistically significant difference (p<.05).
Fifth, the impact velocity of the hip was highest for side breakfall at the left/right velocity and vertical velocity, with a statistically significant difference (p<.05). The greatest impact force of the hip was 1.06 BW for side breakfall and 2.15 BW for side fall with as tatistically significant difference (p<.05).
Synthesis of the results is as follows. Suggest that in order to reduce hip impact force, the following factors are important. Side fall during a long time and you need to slow down the COM velocity. And you should slow down the impact velocity of the hip.

목차

Abstract
Ⅰ. 서론
Ⅱ. 연구방법
Ⅲ. 결과
Ⅳ. 논의
Ⅴ. 결론
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UCI(KEPA) : I410-ECN-0101-2015-690-001657224