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KMID : 1211620090040030175
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Journal of the Korean Society of Physical Medicine
2009 Volume.4 No. 3 p.175 ~ p.182
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The Effects of Taekwondo Traing Causing Leg-muscular Strength for Elementary School Children
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Yoon Young-Cho
Jung Jae-Min
Kim Tae-Ho
Bae Sung-Soo
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Abstract
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Purpose: The purpose of this study is to investigate the effects of Taekwondo training causing leg-muscular strength for elementary school children.
Methods: The subjects were Taekwondo group (n=20) and non-Taekwondo group (n=20) from 5-6 graders of elementary school. The Tkd group exercised Taekwondo and the non-Taekwondo group exercised free gymnastics. The subjects were measured 3 times(pre, mid and after)during the 8weeks program. The leg muscular strength peak torque and average power were measured. And the extension-flection of angular speed 60 deg/sec and 180 deg/sec was measured.
Results: The results of this study can be summarized as follows: 1. Compared with the Tkd group, the non-Tkd group showed no significant difference in tests statistically in case of right-left of pre-4weeks. The leg muscle’s peak torque did not show significant difference in the extension angular 60 deg/sec(p>.05). 2. The score of flection angular speed 60deg/sec was not different in tests leg strength of right-left to pre-4weeks(p<.05), but the muscle was increased according to the amount of time spent in case of the 4-8weeks. 3. Compared with the Tkd group, the non-Tkd group showed no significant difference in tests statistically in case of right-left of pre-4weeks. The leg muscle’s peak torque did not show significant difference in the extension angular 180deg/sec(p>.05). The right leg muscular strength was increased in case of the 4-8weeks. The left leg showed no difference. 4. Leg muscular strength was increased in the case of the pre-4weeks in the right of flection angular speed 180deg/sec. The left did not show difference. The right leg muscle in case of the 4-8weeks showed no difference. The left showed significant difference.
Conclusion: Taekwondo training is effective for leg-muscular strengthing for elementary school children.
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KEYWORD
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Taekwondo, Leg muscular strength, Children
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