The study aims at identifying the impact of the tactical exercises over the determinants of offensive activity for Kumite players in the karate. The study sample was selected purposively of Egypt team players for junior (under 16 years) participating in the world championship in Indonesia 2015 with a total NO., of (24) players divided between (20) main players of basic weights and other (4) players joining the list of Egypt national team for juniors. The (4) players were submitted for conducting the basic study (experimental), meanwhile the remaining (20) players were submitted for conducting the survey study. Conclusions 1- The kinetic abilities which related to the tactical playing of the first player improved where it was the lowest percentage of improving the speed of kinetic response to the short half-circular kick skill (Kizame Mawashi Geri) with the right foot and it was (2.43%), while the highest proportion of improvement was in the distinctive force of speed in the experimental time (10 seconds) for the short half-circular kick skill (Kizama Mawashi Geri) with the right foot and it was (20.00%). 2- The kinetic abilities which related to the tactical playing of the second player improved where it was the lowest percentage of improving the speed of kinetic response to the short half-circular kick skill (Kizame Mawashi Geri) with the left foot and it was (6.83%), while the highest proportion of improvement was in the distinctive force of speed in the experimental time (10 seconds) for the counter straight punch skill (Gyaku Zuki) with the left and it was (35.29%). 3- The kinetic abilities which related to the tactical playing of the third player improved where it was the lowest percentage of improving the speed of kinetic response to the short half-circular kick skill (Kizame Mawashi Geri) with the left foot and it was (4.74 %), while the highest proportion of improvement was in the distinctive force of speed in the experimental time (10 seconds) for the counter straight punch skill (GyakuZuki) with the left and it was (29.59%). 4- The kinetic abilities which related to the tactical playing of the fourth player improved where it was the lowest percentage of improving the speed of the counter straight punch skill (GyakuZuki) with the left and it was (2.56 %), while the highest proportion of improvement was in the distinctive force of speed in the experimental time (10 seconds) for the short half-circular kick skill (KizamaMawashi Geri) with the right foot and it was (18.18%). 5- Some of the determinants of the attacking activity for the first player improved where the lowest percentage of improvement was in preparation and execution stage of attack in the variable parts of time of the match, the third minute, and the improvement percentage reached (12.50%), while the highest rate of improvement in the implementation stage of the attack of the variable attacking skills by using arms in the area of Shodan and it reached (400.00%). 6- Some of the determinants of the attacking activity for the second player improved where the lowest percentage of improvement was in the execution stage of attack in the variable attacking skills by using arms in the area of Jodan and the improvement percentage reached (11.11%), while the highest percentage of improvement was in preparation and execution stage in the variable of the playground areas in area (3), and in the stage of effective attack by using tactical maps (1), (2) and (3) which reached (300.00%). 7- Some of the determinants of the attacking activity for the third player improved where the lowest percentage of improvement was in preparation and execution stage of attack in the variable parts of time of the match, the third minute, and the improvement percentage reached (12.50%),while the highest percentage of improvement was in preparation and execution stage in the variable of the playground areas in area (3), and in the stage of effective attack by using tactical maps (1) and (3) which reached (300.00%). 8- Some of the determinants of the attacking activity for the fourth player improved where the lowest percentage of improvement was in preparation and execution stage of attack in the variable parts of time of the match, the second minute, and the improvement percentage reached (14.29%), while the highest percentage of improvement was in preparation and execution stage in the variable of the playground areas in area (3), and in the stage of effective attack by using tactical maps (2) which reached (300.00%). 9- The stability in the level of performance of some of the determinants of the attacking activity for the first player, which is the preparation and execution stage of the attack on the playground areas (d), (9), (b) 10- The stability in the level of performance of some of the determinants of the attacking activity for the second player, which is the preparation and execution stage of the attack on the playground areas (a), (12), (d). The attacking skills by using arms in the area of Shodan, and the simple and complex counterattack. 11- The stability in the level of performance of some of the determinants of the attacking activity for the third player, which is the preparation and execution stage of the attack on the playground areas (6), (c) and the complex counterattack Sen No Sen and the simple counterattack Sen No SeNo. 12- The stability in the level of performance of some of the determinants of the attacking activity for the fourth player which is the preparation and execution stage for the variable parts of time of the match, the third minute, the preparation and execution stage in the playground area (3), (9) and in the execution stage of attack by using arms in the area of Shodan, and the simple counterattack Tai No SeN.
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