Effects of wearing body protector on protector adjustment and scoring technique in world-class Karate Kumite athletes

• Main Authors: YI-HSIN, TSAI, 蔡宜欣
• Other Authors: Liu, Chiang
• Format: Others
• Language: zh-TW
• Published: 2014
• Online Access: http://ndltd.ncl.edu.tw/handle/98105013838981060528

碩士 === 臺北市立大學 === 運動器材科技研究所 === 103 === Effects of wearing body protector on protector adjustment and scoring technique in world-class Karate Kumite athletes Tsai, Yi-Hsin Advisor: Liu, Chiang Abstract Since 2011, World Karate Federation has ruled all kumite contestants must wear body protector equipment in any kumite competitions. The purpose of this study was to analyze the effects of top 5 competitions of Karate World Championships for all weight classes wearing body protector on their adjusting times of karate-gi and body protectors, fighting styles, scoring position, scoring times and duration of match in total of the 20th competition (not wearing body protector equipment in 2010, hereafter referred to as “non-wearing”) and 21st one (wearing body protector equipment used, hereafter referred to as “wearing”). The subjects of this study mainly were the top 5 male and female contestants of the World Karate Championships, the highest level of competition for Karate, held every two years and analyzed contestants’ adjusting times of karate-gi and body protectors, fighting styles, scoring position, scoring times by utilizing video image analysis afterwards. The study results were as follows: 1. Adjusting times of karate-gi and body protectors: (1) Men contestants : the average number of contestants’ adjusting karate-gi and body protectors was one times every 6.20 seconds in the 21st competition (“wearing”) which was more frequently than the number of one times every 11.27 seconds in the 20th one (“non-wearing”). (2) Female contestants : the average number of contestants’ adjusting karate-gi and body protectors was one times every 6.67 seconds in the 21st competition (“wearing”) which was more frequently than the number of one times every 11.53 seconds in the 20th one (“non-wearing”). 2. Fighting styles changes: transfer Chudan Uchi in the 20th competition (“non-wearing”) to Jodan Uchi in the 21st one (“wearing”); the use of sweep techniques such as de Ashi-barai, Ko Uchi Gari, Kani Waza etc. were increase. 3. Duration of match: the 21st competition (“wearing”) time was longer than the time of the 20th one (“non-wearing”) due to the interference of adjusting karate-gi and body protectors. The conclusion of this study was that top 5 competitions of Karate World Championships for all weight classes increased the adjusting times of karate-gi and body protectors, chiefly changed the fighting styles into Jodan Uchi, was different scoring position and scoring times, and enhanced the period of mach. Keywords : karate, kumite, body protector, attack movements, scoring technique.