Analysis of the Kinetic Difference of DOLGAECHAGI Between Taekwondo Kyorugi Players and Demonstrators
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Purpose: The purpose of this study is to provide the basic data for the appropriate technique performance by analyzing and presenting the differences in and among the major kinematic factors of Taekwondo’s Dolgaechagi movements between Taekwondo Kyorugi planers and the members of the demonstration team. Method: As for the subjects of this study, from among the Taekwondo players attending the Taekwondo De-partment of K University, 5 Kyorugi players and 5 demonstrators, among the Kyorugi players, who have entered the national team selection process and the demonstration team of the selection process. Prior to entering the experiment, a consent was secured from each subject, while the experiment implementation procedures were ex-plained, and the kinetic data were collected by using 8 high speed digital cameras. Results: As for the time required for the situation(P2), the time required for the demonstration team was great-er than that of the Kyorugi players, and there was a statistically significant difference(p<.05). As for the center of mass up and down(Z) movement displacement, in E3, the demonstrators turned out to be higher than the Kyorugi players, and there was a statistically significant difference(p<.05). In E4, the demonstrators turned out to be high-er than the Kyorugi players, and there was a statistically significant difference(p<.05). The difference of the hip joint’s angle turned out to be higher in E4 for the Kyorugi players than the demonstrators(p<.05), and there was a statistically significant difference(p<.05). Conclusion: As a result of the experiment, to improve the level of completion of the Dolgaechagi kick, the de-monstrator needs to jump high from and above the ground and also have the sports ability in the jumping state for the accurate movement, and at the time of executing the Dolgaechagi kick, in using the force for the ankle and knee joints, he or she turned out to execute the Dolgaechagi movement after bending the hip joint to the maxi-mum. Kyorugi players need low and prompt sports ability since they strike the target by relying on fast rotations from the groun, and at the time of executing the Dolgaechagi kick, rather than using the force of the ankle and knee joints, they turned out to execute the Dolgaechagi movement without a maximum bend for the hip joint’s angle as they strike the target by relying on fast rotations.In order to efficiently perform kicks based on such re-sults, the Kyorugi players need a training by using fast rotations on the ground, and the demonstrators need strength and flexibility trainings in making jumps high on the ground.
Abstract
Purpose: The purpose of this study is to provide the basic data for the appropriate technique performance by analyzing and presenting the differences in and among the major kinematic factors of Taekwondo’s Dolgaechagi movements between Taekwondo Kyorugi planers and the members of the demonstration team. Method: As for the subjects of this study, from among the Taekwondo players attending the Taekwondo De-partment of K University, 5 Kyorugi players and 5 demonstrators, among the Kyorugi players, who have entered the national team selection process and the demonstration team of the selection process. Prior to entering the experiment, a consent was secured from each subject, while the experiment implementation procedures were ex-plained, and the kinetic data were collected by using 8 high speed digital cameras. Results: As for the time required for the situation(P2), the time required for the demonstration team was great-er than that of the Kyorugi players, and there was a statistically significant difference(p<.05). As for the center of mass up and down(Z) movement displacement, in E3, the demonstrators turned out to be higher than the Kyorugi players, and there was a statistically significant difference(p<.05). In E4, the demonstrators turned out to be high-er than the Kyorugi players, and there was a statistically significant difference(p<.05). The difference of the hip joint’s angle turned out to be higher in E4 for the Kyorugi players than the demonstrators(p<.05), and there was a statistically significant difference(p<.05). Conclusion: As a result of the experiment, to improve the level of completion of the Dolgaechagi kick, the de-monstrator needs to jump high from and above the ground and also have the sports ability in the jumping state for the accurate movement, and at the time of executing the Dolgaechagi kick, in using the force for the ankle and knee joints, he or she turned out to execute the Dolgaechagi movement after bending the hip joint to the maxi-mum. Kyorugi players need low and prompt sports ability since they strike the target by relying on fast rotations from the groun, and at the time of executing the Dolgaechagi kick, rather than using the force of the ankle and knee joints, they turned out to execute the Dolgaechagi movement without a maximum bend for the hip joint’s angle as they strike the target by relying on fast rotations.In order to efficiently perform kicks based on such re-sults, the Kyorugi players need a training by using fast rotations on the ground, and the demonstrators need strength and flexibility trainings in making jumps high on the ground.
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