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Differences in Judo Attack Systems Between Weight Categories

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Abstract

Purpose

In judo, athletes compete based on weight categories, which are required to adapt the training process accordingly, but not enough research is present to understand their particularities. The present study aimed to verify the differences in judo attack systems performed between the seven male weight categories in world-class athletes.

Methods

A cohort of 5847 attack systems from 1106 international judo matches was analyzed. The Chi-square automatic interaction detector was used to identify the association between the variables tori approach (attacker), uke approach (defender), tori’s grip, stance and direction of attack.

Results

The main results showed that: (1) the grip is the main predictor of attack systems; (2) laterality exerts a strong influence on attack systems; (3) the ≤ 81 kg and > 100 kg categories were differentiated by the use of unconventional grips; (4) the ≤ 60 kg used more kenka-yotsu (opposite sides) right stance with the Only Right Hand grip; (5) the ≤ 81 kg category used more the ai-yotsu (same side) left stance with the Only Left Hand grip.

Conclusion

The results reported from this study can help coaches and athletes in choosing the best technical–tactical actions when developing combat strategies.

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Data Availability

The authors declare that there is no availability of data.

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Funding

The authors declare that no funds, grants, or other support were received during the preparation of this manuscript.

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Authors and Affiliations

  1. Martial Arts and Combat Sports Research Group, School of Physical Education and Sport, Sport Department, University of São Paulo, Av. Prof. Mello Morais, 65, Cidade Universitária, São Paulo, SP, 05508-030, Brazil

    Daniel Brandão Kashiwagura, Felipe Brandão Kashiwagura, Marcus Fábio Agostinho & Emerson Franchini

  2. Faculty of Sport Sciences, University of Murcia, Murcia, Spain

    Javier Courel-Ibáñez

  3. Brazilian Judo Confederation, Rio de Janeiro, Brazil

    Marcus Fábio Agostinho

Authors
  1. Daniel Brandão Kashiwagura
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  2. Javier Courel-Ibáñez
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  3. Felipe Brandão Kashiwagura
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  4. Marcus Fábio Agostinho
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  5. Emerson Franchini
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Contributions

All authors conceived and designed the study. All authors contributed to manuscript preparation, revisions and approved the final version.

Corresponding authors

Correspondence to Daniel Brandão Kashiwagura or Emerson Franchini.

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Conflict of Interest

The authors declare that they have no competing interests.

Ethical Approval

The project was approved by the local Research Ethics Committee of EEFE-USP (CEP/0120/EEFE/10062020).

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Kashiwagura, D.B., Courel-Ibáñez, J., Kashiwagura, F.B. et al. Differences in Judo Attack Systems Between Weight Categories. J. of SCI. IN SPORT AND EXERCISE 5, 263–273 (2023). https://doi.org/10.1007/s42978-022-00179-9

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  • DOI: https://doi.org/10.1007/s42978-022-00179-9

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