A Study on Methodological Validity of Guidance for Tennis Ability:Effects of Different Stances on the Forehand Drive Stroke
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概要
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An increasingly important phase of our modern Physical educatoin program is the teaching of the tennis activity. There is a wide ageement that the best method of guidance for acquisition of tennis ability does increase the studentf's understanding of that activity. Therefore, it is important and necessary to construct the teaching method according to scientific principles. At first step, the purpose of the present study is effects of the two different stances (closed and open) on the ability of the forehand drive stroke. For the above mentioned purpose, a series of the backboard tests has been designed and recorded in the video tape. Furthermore, for analysing behavioral differences between the closed and the open stance, EMG activities and strain curves were also recorded. The main findings of this study are summarized as follows:1) The score of the backboard test in the closed stance was higher than that of the open stance.2) From obtained results in movement analysis, movability of the knee and the hip joint in the closed stance was larger than of the open stance.This phenomenon was outstandingly observed in the supporting (right) leg.3) Onset times of changing force prior to the ball contact in the supporting leg were significantly different between the two different stances.Those results Suggest that the method of the closed stance for the forehand drive stroke is better that of the open stance, and that the closed stance is the basis and the most important skill in tennis ability. This has been supported by the motor behavioral evidence of the present study.
- 日本スポーツ教育学会の論文
日本スポーツ教育学会 | 論文
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