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8th International Judo Research Symposium

Rio 2013

Judospace provided support to the International Association of Judo Researchers in the organising of the 8th International Judo Research Symposium.

The full report of the International Judo Federation is below:

The eighth International Judo Research Symposium took place on Sunday 25 August 2013 as a collaboration between the International Association of Judo Researchers (IAJR) and the International Judo Federation


17 academic papers from 40 different researchers were selected for participation in the symposium spanning three continents of the world.  Authors included world champions Yasuhiko Moriwaki and Florin Daniel Lascau, and Olympic champion Maki Tsukada. IJF Hall of Fame inductee and 10 th Dan Dr. George Kerr was among the 50 observers.

The organising group was led by the IAJR Executive members Dr. Mike Callan, Professor Michel Brousse, Professor Takeshi Nakajima, Mr. Florin Daniel Lascau and supported by Mr. Michel Huet and Miss. Janine Johnson.


Following an opening address from IJF Education Director Mr. Mohammed Meridja the first presenter was Professor Wantuir Jacini from the Priorit Institute in Brazil. Professor Jacini’s work looked at the “Effect of judo training in social maturity in autistic patients”. The paper demonstrated the benefits of judo practice over a six month period for patients with autism, in particular improvement in their socialisation and communication skills. This important study can have far reaching implications for the value of judo training as a tool to improve social skills or to benefit the lives of people with disabilities.

The second presentation from Dr. Hans-Dieter Heinisch (Institute for Applied Training Science, Leipzig, Germany) focused on “Development and evaluation of a specific judo grip-strength-test”. This offered a new approach to measuring grip strength performance in a much more judo-specific way. Utilising athletes from the German national team Dr. Heinisch and his colleagues were able to compare both junior and senior grip strength and also compare the sleeve (hikite) and lapel (tsurite) grips. This work is important to help coaches understand the levels of grip strength required for international players.

The third presentation “About judo therapy” was made by Professor Nobuyoshi Kume (Tokyo Ariake University of Medical and Health Sciences) and Dr Hideki Kanai (Japan Judo Therapist Association). Their work demonstrated the use of judo therapy as a medical technique for judo injuries including some graphic video of judo therapy in action. The Japan Judo Therapist Association is keen to disseminate information about their work and collaborate with other nations to further improve medial support for judo players.

Following the presentation audience members were treated to a practical demonstration of the effectiveness of judo therapy in treating injuries.

Participants had an opportunity to view a selection of other academic posters and network with each other. Posters were presented by some of the leading judo research universities around the world covering topics spanning performance analysis, physiology, coaching, ukemi, anthropometry and the Olympic qualification process.


Awards were presented to the best posters in the symposium.

First Place. “Association of the ACTN3 and ACE Polymorphisms in Japanese judo athletes”.

Kenichiro Agemizu (School of Physical Education, Tokai University, Japan)

Shoshin Hirokawa (Graduate School of Physical Education, Tokai University)

Toshio Itaka (Graduate School of Physical Education, Tokai University)

Seiji Aruga (Sport Medical Science Research Institute, Tokai University)

Shuichi Machida (Graduate School of Health and Sports Science, Juntendo University)

Second Place. “Image survey on ukemi in judo”.

Hidemasa Tokuyasu (Tokyo Ariake University of Medical and Health Sciences, Japan)

Noboru Hashimoto (Tokyo Ariake University of Medical and Health Sciences)

Ryuji Okada (Kinki University, Tokyo)

Yasuhiko Moriwaki (Kokushikan University, Tokyo)

Takeshi Nakajima (Kokushikan University, Tokyo)


Third Place “A temporal analysis of the women’s u52kg in the 2010 world judo championships”.

Bob Challis (Anglia Ruskin University, Judo Research Group, Great Britain)


Third Place. “The effect of the strength training for collegiate womens judoka”.

Shoko Yanagida (Ritsumeikan University, Japan)

Kana Koyama      (Lighthouse Athletics Co.Ltd)

Shun Kasuga (Ritsumeikan University, Center for Athletics and Sports Services)


A special certificate of appreciation was awarded to Professor Takeshi Nakajima (Kokushikan University) for his significant contribution to the development of judo research throughout the world.

Awards were presented by IJF General Secretary Jean-Luc Rouge. Mr. Rouge made an inspiring speech to close the Symposium.

Closing remarks

The research symposium has an important role to build relationships between National Federations and research universities for the benefit of judo. It also illustrates the breadth of judo as an education, a contributor to society and in delivering elite performance.

The organisers thanked IJF President Mr. Marius Vizer for his support of this Symposium, and judo research activities around the world.


The IJF produced a wonderful ebook as a record of the 2013 World Judo Championships in Rio. We are proud to have contributed to this document.

You can download the ebook here:

All involved were very impressed.....we highly recommend this course.
Peter Herrmann, Performance Director of the Australian Judo Federation

Organisations we work with
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  • 1st4Sport
  • Anglia Ruskin University
  • EJU
  • British Judo Association
  • BBC4
  • tokai university
  • Kanoya
  • Fighting Films
  • Commonwealth Judo Association
  • Envirtua
  • EOSE
  • Judo Federation of Australia
  • KMS
  • HOA
  • fsb
  • AIS
  • MJA
  • Paris World Championships
  • Reykjavik International Games
  • International Judo Federation
  • Iceland Judo Federation
  • Croatian Judo Federation
  • USJF
  • Norweigan Judo Federation
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