Simpósio sobre TKD

The 4^th International Symposium

for Taekwondo Studies

Strengthening Youth Education through Taekwondo

July 16-17, 2013

Puebla, Mexico

Important Dates

April 15, 2013	Abstract Submission
March 30, 2013	Early Registration
July 16-17, 2013	Symposium Dates

Organizing Partners

The 4^th International Symposium for Taekwondo Studies will be organized by the World Taekwondo Federation (WTF), and International Association of Taekwondo Research (IATR).

Research Field

Papers will include studies of Sports Science related to Taekwondo (TKD) such as Sports Physiology, Biomechanics, Sports Medicine, Philosophy/Pedagogy of TKD, Sports Sociology/Sports Psychology, and Sports Marketing.

Registration / Submission

Abstract submissions should be emailed to Dr. Jongkook Song by the 15^th of April, 2013 atjksong@khu.ac.kr

Revendo os clássicos para entender o presente

Saeki (1994) The conflict between Tradition and Modernization in a Sport Organization: A Sociological Study of Issues Surrounding the Organizational Reformation of the all Japan Judo FederationInternational Review for Sociology of Sport,
"The direct reason for the AJSJF to secede from the AJJF was a reaction against the tight control of the AJJF during the 1st International Student Judo Tournament - The Shoriki Cup. As indicated by the name of the tournament, the tournament was held in commemoration of Matsutaro Shoriki, chairman of the Congressional Judo Federation and CEO of one of Japan’s major dailynewspapers, The Daily Yomiuri, as well as Nippon Television, a national television network. As chairman of a supporter’s association, Shoriki collected a significant donation which went to the construction of the new Kodokan building as part of the 70th anniversary of the Kodokan. To show its appreciation for Shoriki’s efforts, the Kodokan granted him an honorary 9th degree. However, it is said that Shoriki expected instead a 10th degree and since this incident, became critical of the Kodokan (Kudo 1972). Later, Shoriki petitioned Congress to create a new mecca for the martial arts and his efforts resulted in the creation of the Budokan in 1964 (Oimatsu 1970). It was due to these reasons that the judo events during the 1964 Summer Olympics were held at the Budokan and not the Kodokan. Behind the conflict of the AJJF and AJSJF lay the conflict between Shoriki and the Kodokan." (p.308-309).

AJJF = All Japan Judo Federation
AJSJF = All Japan Student Judo Federation


"A razão direta para a AJSJF separar-se da AJJF foi um reação contra o controle rígido da AJJF durante o 1o Torneio de Judô Estudantil Internacional - A Copa Shoriki. Como indicado pelo nome do torneio, o torneio foi realizado em comemoração a Matsutaro Shoriki, presidente Congressional Judo Federation e CEO de um dos principais jornais diários do Japão, The Daily Yomiuri, como também da Televisão Nippon, uma rede de televisão nacional. Como presidente de uma associação de patrocinadores, Shoriki coletou uma significante doação que resultou na construção do novo prédio da Kodokan como parte do 70o aniversário da Kodokan. Para mostrar seu apreço pelos esforços de Shoriki, a Kodokan o concedeu o 9o dan honorário. No entanto, é dito que Shoriki esperava o 10th dan e desde esse incidente, se tornou crítico da Kodokan (Kudo 1972). Depois, Shoriki solicitou ao Congresso para criar uma nova meca para as artes marciais e seus esforços resultaram na criação da Budokan em 1964 (Oimatsu 1970). Foi devido a essas razões que os eventos de judô durante os Jogos Olímpicos de verão de 1964 foram realizados na Budokan e não na Kodokan. Atrás do conflito da AJJF e AJSJF está o conflito entre Shoriki e a Kodokan" (p.308-309).

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Suplementação de cafeína em esgrimistas

J Sports Sci. 2013 Feb 5. [Epub ahead of print]

The effect of caffeine ingestion on skill maintenance and fatigue in epee fencers.

Bottoms L, Greenhalgh A, Gregory K.

Source

a University of East London, Health and Bioscience , Water Lane , Stratford , E15 4LZ , United Kingdom.

Abstract

Abstract The ergogenic effect of caffeine on sports performance focuses predominantly on endurance sports (Doherty & Smith, 2004 ) with little research on intermittent high intensity sports. This study aimed to explore the effect of caffeine ingestion on skill maintenance following fencingsimulated exercise. Eleven competitive fencers participated (four female; seven male; age 33 ± 6.5 years). Following a maximal test to exhaustion, fencers completed two trials assessing accuracy and reaction times (Stroop test) before and after a fatiguing protocol designed to simulate the demands of a fencing competition. Skill testing involved 30 lunges to hit a target. 500 ml placebo or 3 mg · kg(-1) caffeine supplemented drink was administered after the initial reaction and skill tests in a single-blind crossover design. The fatiguing protocol involved simulating six fights with 6-minute rests between each. Fencers rated their perceived exertion (arm, legs, overall) using the Borg scale. There was no overall effect of caffeine on total skill score (P = 0.40), however there was a tendency for fewer misses with caffeine (P = 0.10). Caffeine had no effect on the Stroop Test. Caffeine produced significantly lower perceived fatigue for overall (P < 0.01). These results provide some support for caffeine producing maintenance of skill and reducing perceived fatigue during fencing.

Dormiu mal?

Biological Rhythm Research

2013

Effects of partial sleep deprivation at the end of the night on anaerobic performances in judokas  (  Article in press  )

HajSalem, M.^a , Chtourou, H.^b, Aloui, A.^b, Hammouda, O.^b, Souissi, N.^bc  

^a  Research Unit (EM2S), High Institute of Sport and Physical Education, Sfax University, Sfax, Tunisia
^b  Research Laboratory Sport Performance Optimization, National Centre of Medicine and Sciences in Sport (CNMSS), Tunis, Tunisia
^c  High Institute of Sport and Physical Education, Ksar-Saïd, Manouba University, Tunis, Tunisia

Abstract

The aim of the present study was to examine the effect of partial sleep deprivation at the end of the night (PSDE) on anaerobic performances during the Wingate test (peak (PP) and mean (MP) power) and the hand grip (HG) test in judokas. In a randomized order, twenty-one judokas (age: 19.1 ± 1.2 yrs; height: 176.5 ± 4.2 cm; body mass: 77.3 ± 6.3 kg) performed two sessions after a normal sleep night (NSN) or a PSDE. During each session, they carried out the Wingate and the HG tests before (T0) and after (T1) a judo match. Rating of perceived exertion (RPE) scores were obtained at the end of the combat. PP and MP decreased significantly from T0 to T1 during the two experimental conditions (p < 0.01), and from NSN to PSDE at T0 and T1 (p < 0.05). However, the HG strength decreased only from T0 to T1 (p < 0.001) and was not significantly affected by PSDE. Likewise, the RPE scores were not affected by PSDE. Therefore, PSDE (i) reduced muscle power during the Wingate test and (ii) did not affect muscle strength during the HG test.

Suplementação de glutamina em atletas de judô

Luminescence

2013

Effect of glutamine supplementation on neutrophil function in male judoists  (  Article in press  )

Sasaki, E.^a , Umeda, T.^a, Takahashi, I.^a, Arata, K.^b, Yamamoto, Y.^b, Tanabe, M.^ab, Oyamada, K.^a, Hashizume, E.^c, Nakaji, S.^a  

^a  Department of Social Medicine Hirosaki University Graduate School of Medicine Hirosaki, Aomori Japan
^b  Department of Physical Education Nippon Sport Science University Setagaya Tokyo Japan
^c  Healthcare Products Development Center Kyowa Hakko Bio Co., Ltd. Tsukuba Japan

Abstract

Glutamine is an important amino acid for immune function. Though high intensity and prolonged exercise decreases plasma glutamine concentration and causes immune suppression, the relationship between neutrophil functions and glutamine has not yet been found. The purpose of this study was to investigate the impacts of glutamine supplementation on neutrophil function. Twenty-six male university judoists were recruited. Subjects were classified into glutamine and control groups. The glutamine group ingested 3000 mg of glutamine per day and the control group ingested placebo for 2 weeks. Examinations were performed at the start of preunified loading exercise (pre-ULE), then 1 and 2 weeks after ULE (post-ULE). Reactive oxygen species (ROS) production, phagocytic activity, serum opsonic activity and serum myogenic enzymes were measured. Differences between the levels obtained in pre-ULE and post-ULE for the two groups were compared. In the glutamine group, ROS production activity increased 1 week after ULE, whereas it was not observed in the control group (P<0 .001="" activity="" after="" an="" and="" by="" damage="" during="" enzymes="" especially="" even="" excessive="" function="" glutamine="" group="" has="" in="" increased="" intensive="" muscle="" myogenic="" nbsp="" neutrophil="" of="" p="" period.="" prevented="" production="" remained="" ros="" significantly="" supplementation="" suppression="" the="" though="" training="" ule.="" ule="" unchanged="">

Arbitragem no judô

European Journal of Sport Science

2013

Judges in judo conform to the referee because of the reactive feedback system  (  Article in press  )

Boen, F.^a , Ginis, P.^b, Smits, T.^c  

^a  Department of Kinesiology, KU Leuven, Tervuursevest 101, Heverlee, Leuven 3001, Belgium
^b  Department of Rehabilitation Sciences, KU Leuven, Leuven, Belgium
^c  Institute for Media Studies, KU Leuven, Leuven, Belgium

Abstract

This experiment tested whether the conformism observed among panels of judges in aesthetic sports also occurs among judges in judo. Similar to aesthetic sports, judo judging relies upon a form of open feedback. However, in judo, this system is reactive (i.e. two judges have to publicly 'correct' the score given by the higher-status referee), whereas it is active in aesthetic sports (i.e. judges with equal status report their score simultaneously and can use the feedback about the scores of their colleagues for evaluating later performances). In order to test whether such reactive open-feedback system leads to conformism among judges in judo, we designed an experiment in which this feedback was manipulated. Participants were 20 certified Flemish judges, who had to score two sets of 11 ambiguous video sequences that are used during formation and training of judo judges: one set with feedback about the referee's score and one set without feedback. The results revealed that when participants knew the referee's score, their scores were significantly more in line with this score than when they did not know this score. More specifically, for both sets of sequences at least 10% less deviations from the referee were observed when participants were given feedback about the score of the referee. These results suggest that preventable conformism can occur in typical judo judging, that is with reactive open feedback.

Análise de lutas de TKD dos Jogos Asiáticos

ABSTRACT
Kwok HHM. Discrepancies in fighting strategies between Taekwondo medalists and non-medalists. J. Hum.
Sport Exerc. Vol. 7, No. 4, pp. 806-814, 2012. The aim of this study was to compare the fighting strategies
between medalists and non-medalists in Taekwondo. A total of 107 matches from the 16th Asian Games
had been video-taped for notational analysis. Round house kick was the most frequently used kick by the
medalists in the competition (63.29%) while cut down kick (9.26%) and push kick (7.08%) were ranked
second and third respectively. Aggressive mode of attack was the dominant fighting strategy used by the
medalists (63.17%).  Discrepancies in fighting strategies between Taekwondo medalists and non-medalists
were found in this study including mode of attack, use of turning attack, and number of types of kick
employed.
Key words: MARTIAL ARTS, NOTATIONAL ANALYSIS, ATTACK.


http://www.jhse.ua.es/jhse/article/view/428/597