The purpose of this study is to provide quantification data by comparing kinematic and kinetic variables related to Run up & Take off and kicking for effective performance of jumping front kick through 3 dimensional image analysis of jumping front kick, which is the base of Run & Jumping kick among ...
The purpose of this study is to provide quantification data by comparing kinematic and kinetic variables related to Run up & Take off and kicking for effective performance of jumping front kick through 3 dimensional image analysis of jumping front kick, which is the base of Run & Jumping kick among taekwondo kicks.
To analyze kinematic and kinetic variables, Motion capture system of Motion Analysis company was used, and for experiment participants, 8 kick players((NG: National Group, average age: 24.13±2.10yrs, average height: 173.79±6.92cm, average weight: 68.93±9.62kg) who are playing as demonstration members of national team(The Korea Taekwondo Association, Kukkiwon) and 8 kick players(SG: Student Group, average age: 20.13±1.36yrs, average height: 173±5.79cm, average weight: 66.04±8.90kg) who major in taekwondo demonstration at K University located in metropolitan area through judgment sampling method. To analyze the difference of variables between groups, independent t-test of SPSS 21.0 was used.
In this study, through jumping front kick, which is demonstration kick skill of taekwondo, the effective movement of Run up & Take off and Kicking was researched.
NG showed statistically significant difference at the highest point of the toe of the main leg compared to SG, and the maximum horizontal speed of COM, the maximum vertical speed of COM after Take off section, and the shot velocity(summed vector velocity of X, Y, Z) after Take off were fast with statistically significant difference, so the linear velocity of COM increases COM and mainly affects the height of kicking. At the angle for X axis of Trunk at the highest point of the toe of the main leg, NG showed significant difference with big retroverse angle at the moment of kicking, and the retroverse of Trunk had an influence on raising the height of kicking.
Through the above results, for jumping front kick it is necessary to train to switch motion energy that occurs at Run up section with high speed into the vertical speed effectively without being lost at Take off section, and for quick rise of assistant leg at the Kicking section, training for muscular strength of lower limb and ability to react instantly should be done.
The purpose of this study is to provide quantification data by comparing kinematic and kinetic variables related to Run up & Take off and kicking for effective performance of jumping front kick through 3 dimensional image analysis of jumping front kick, which is the base of Run & Jumping kick among taekwondo kicks.
To analyze kinematic and kinetic variables, Motion capture system of Motion Analysis company was used, and for experiment participants, 8 kick players((NG: National Group, average age: 24.13±2.10yrs, average height: 173.79±6.92cm, average weight: 68.93±9.62kg) who are playing as demonstration members of national team(The Korea Taekwondo Association, Kukkiwon) and 8 kick players(SG: Student Group, average age: 20.13±1.36yrs, average height: 173±5.79cm, average weight: 66.04±8.90kg) who major in taekwondo demonstration at K University located in metropolitan area through judgment sampling method. To analyze the difference of variables between groups, independent t-test of SPSS 21.0 was used.
In this study, through jumping front kick, which is demonstration kick skill of taekwondo, the effective movement of Run up & Take off and Kicking was researched.
NG showed statistically significant difference at the highest point of the toe of the main leg compared to SG, and the maximum horizontal speed of COM, the maximum vertical speed of COM after Take off section, and the shot velocity(summed vector velocity of X, Y, Z) after Take off were fast with statistically significant difference, so the linear velocity of COM increases COM and mainly affects the height of kicking. At the angle for X axis of Trunk at the highest point of the toe of the main leg, NG showed significant difference with big retroverse angle at the moment of kicking, and the retroverse of Trunk had an influence on raising the height of kicking.
Through the above results, for jumping front kick it is necessary to train to switch motion energy that occurs at Run up section with high speed into the vertical speed effectively without being lost at Take off section, and for quick rise of assistant leg at the Kicking section, training for muscular strength of lower limb and ability to react instantly should be done.
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