Reaction times and anticipatory skills of karate athletes

Mori, Susumu; Ohtani, Yoshio; Imanaka, Kuniyasu

doi:10.1016/s0167-9457(02)00103-3

Cited by 253 publications

(242 citation statements)

References 30 publications

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“…Superior anticipatory skills (Mori et al, 2002), and a faster visuoperceptual speed (Kim and Petrakis, 1998) also arise from the comparison between different skill levels. Furthermore, a comparison of techniques has also been studied (Sforza et al 2000;Gulledge and Dapena, 2008), as the force at impact (Girodet et al, 2005).…”

Section: Comparison Between Groupsmentioning

confidence: 99%

Kinematic and electromyographic analyses of a karate punch

VencesBrito

Ferreira

Cortés

et al. 2011

Journal of Electromyography and Kinesiology

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a b s t r a c tThe aims of this study were: (i) to present the kinematic and electromyographic patterns of the chokuzuki punch performed by 18 experienced karatekas from the Portuguese team, and (ii) to compare it with the execution of 19 participants without any karate experience. The kinematic and electromyographic data were collected from the arm and forearm during the execution of the specific punch. A two-way analysis of variance (ANOVA) was used with significant level set at p 6 0.05. We found that the kinematic and neuromuscular activity in this punch occurs within 400 ms. Muscle activities and kinematic analysis presented a sequence of activation bracing a near-distal end, with the arm muscles showing greater intensity of activation than muscles in the forearm. In the skill performance, the arm, flexion and internal rotation, and the forearm extension and pronation movements were executed with smaller amplitude in the karate group. Based on the results of this study, the two groups' presented distinct kinematic and electromyographic patterns during the performance of the choku-zuki punch.

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Section: Comparison Between Groupsmentioning

confidence: 99%

Kinematic and electromyographic analyses of a karate punch

VencesBrito

Ferreira

Cortés

et al. 2011

Journal of Electromyography and Kinesiology

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“…Therefore, by applying such tactics allowed winners to gain points and win the match (Kwok, 2012). This was supported by Mori et al, (2002) that stated in his study that in winning a result of the match can be linked to the area of attacking, that the technique used at the most points area.…”

Section: Discussionmentioning

confidence: 79%

“…In taekwondo, attacking and defending tactics are two important strategies that need to be decided by taekwondo players during the match. Apart from the strategies used or the techniques executed, it is crucial enough to anticipate the movement of the opponent so the winner may be able to move or to react towards the action performs by the opponent (Mori, Ohtani & Imanaka, 2002;Brito & Silva, 2011). …”

Section: Discussionmentioning

confidence: 99%

Successful tactics in taekwondo during Sukan Malaysia 2012

Kassim¹,

Suwarganda²,

Nor³

2015

jhse

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Mohd Kassim, S.F., Suwarganda, E., Mohd Nor, E. (2015). Successful tactics in Taekwondo during Sukan Malaysia 2012. J. Hum. Sport Exerc., 9(Proc2), pp.S723-S730. Introduction: The aim of the present study was to analyse the tactics performed by winner and non-winner during Sukan Malaysia (SUKMA) 2012. At present, scientific information and notational analysis on tactical aspects by Malaysia's taekwondo youth is non-existent. Methods: Sixty two male taekwondo athletes were included in this study. Video recording was taken of 55 matches from quarter final to final involving four weight categories (<58kg, 58-68kg, 68-80kg and >80kg). Notational analysis for all matches was done using SportsCode Pro 8.5.2. The variables coded were tactics (attack and defence), techniques, target area and point result. The total number of attempts and successful attempts were counted per category for winner and non-winner. Chi-square statistical method was used to compare the total number of successful attempts between winner and non-winner for each tactic. Results: The Chi-square result shows no significant difference between winners and non-winners for tactics used across all weight categories and matches for total successful attempts (x2=4.00, df=3, p<0.05), for successful attacks (x2=5.50, df=3, p<0.05) and for successful defence (x2=1.97, df=3, p<0.05). Winners have 343 total (attack and defence) successful attempts, out of that 192 for attacking and 151 for defending. Non-winner received 172 total (attack and defence) successful attempts with 116 for attacking and 56 for defending. Winners however, have higher percentage of successfulness in attack and defence compared to non-winners. From 2187 total attempts, winners' successfulness is 9% for attack and 7% for defence. Non-winners have 2352 total attempts, achieving 5% successfulness for attack and 2% for defence. Discussion & Conclusion: The result shows no differences in tactics for both winner and non-winner. Even though non-winners attempt more than winners (total: 2352 vs 2187, attacking attempt: 1749 vs 1391 and defensive attempt: 603 vs 796), winners have higher successfulness in attacking and defensive tactics. Possibly, winners have a qualitative difference that could explain the higher percentage of successfulness in attacking and defensive tactics compared to non-winners. Further investigation should be done in the sequence and quality of attempts to understand more about successfulness of attempts in Malaysian taekwondo youth.

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“…Thus, the most significant effect of training in competitive sports is to learn how to concentrate and focus in the game. Reaction time in sports is considered as a motor trait that could be developed via training (12)(13)(14). Effect on the cognitive function of computer games is a fact now accepted (8,15,16).…”

Section: Discussionmentioning

confidence: 99%