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Development of safe and efficient weight loss method in judo

Research Project

Project/Area Number 16K16496
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Developmental mechanisms and the body works
Research InstitutionTokai University

Principal Investigator

Inoue Kosei  東海大学, 体育学部, 教授 (00609430)

Project Period (FY) 2016-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2019: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2018: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2017: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2016: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywords柔道 / 減量 / 体組成 / 体水分量 / 水分量 / アスリート / 体脂肪量 / 追跡調査 / 体重管理 / 減量失敗 / 調査
Outline of Final Research Achievements

Body composition (weight, water content, etc.) of university male judo players was measured during the weight loss period and before the match. As a result, it was clear that in the light-weight class, the body water content increased from the weighing day to the day of the game. It was also suggested that water content may be related to some of the subjective symptoms felt before the game. However, it was not possible to clarify the tendency of body water content to decrease in rapid weight loss by measurement using a general body composition measuring instrument.

Academic Significance and Societal Importance of the Research Achievements

アスリートは減量によってコンディションを崩し、試合に本来の実力で臨めないことがある。減量がうまくできているかに関する指標はなく、選手の経験によるため、科学的なデータが必要である。本研究によって、減量時は体水分量が変化し、選手のパフォーマンスの自覚的な症状に与える影響を明らかにすることができた。しかしながら、減量期間中の体水分量の変化について明らかにすることができず、減量の途中経過を評価するための指標の策定には、本研究期間内ではできなかった。今後さらなる研究の実施で明らかにしていくことを目指している。

Report

(5 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (10 results)

All 2020 2019 2018 2017 2016

All Journal Article (4 results) (of which Peer Reviewed: 4 results,  Open Access: 3 results) Presentation (5 results) (of which Int'l Joint Research: 2 results) Book (1 results)

  • [Journal Article] 大学柔道における入学時整形外科的柔道報告2020

    • Author(s)
      宮崎誠司,上水研一朗,井上康生,塚田真希,大川康隆,中西英敏
    • Journal Title

      東海大学スポーツ医科学雑誌

      Volume: 32 Pages: 41-45

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 大学柔道選手の腰椎分離症2018

    • Author(s)
      黒岩真弘・鷹取直希・今井 洸・笠間啓樹・松山大輔・新福栄治・小林由香・ 内山善康・塚田真希・上水研一朗・井上康生・宮崎誠司・渡辺雅彦
    • Journal Title

      東海大学スポーツ医科学雑誌

      Volume: 30 Pages: 27-32

    • NAID

      120007017461

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] アスリートの突然死予防のための心臓超音波検査2018

    • Author(s)
      藤井壮浩・宮崎誠司・八百則和・今川正浩・田村修治・陸川 章・灰田宗孝・ 栗山雅倫・三田信孝・上水研一朗・井上康生・積山和明・ 木村季由・吉岡公一郎・小山孟志・花岡美智子
    • Journal Title

      東海大学スポーツ医科学雑誌

      Volume: 30 Pages: 59-61

    • NAID

      120007017466

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] ACTN3 R577X gene polymorphism may play a role to determine the duration of judo matches.2017

    • Author(s)
      Itaka T, Tomizawa Y, Inoue K, Agemizu K, Aruga S, Machida S.
    • Journal Title

      TRENDS in Sports Science

      Volume: 24 Pages: 67-71

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] Relationship between weight changes among retired male judo players and their weight class and range of weight loss at the time of competition2019

    • Author(s)
      Itaka T, Uno M, Inoue K, Tsukada M, Agemizu K
    • Organizer
      24th annual Congress of the ECSS
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 白線のある黒帯に対する女子柔道選手の関心度について2019

    • Author(s)
      塚田真希,位髙駿夫,宮崎誠司,大川康隆,中西英敏,井上康生,上水研一朗
    • Organizer
      日本武道学会第52回大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 大学男子柔道選手の4年間の筋肉量の変化について ~ある一世代での分析~2019

    • Author(s)
      尾方寿應,位高駿夫,井上康生,塚田真希,上水研一朗,中西英敏
    • Organizer
      日本武道学会第52回大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 女子柔道選手の月経随伴症状と食行動の関連性を明らかにする試み ~T大学女子柔道部を対象とした検討~2018

    • Author(s)
      塚田真希,位髙駿夫,大川康隆,井上康生,上水研一朗
    • Organizer
      日本武道学会 第51回大会
    • Related Report
      2018 Research-status Report
  • [Presentation] Association between signs appearing when judo athletes failed to lose weight and water weight on the measurement day2017

    • Author(s)
      Tomizawa Y, Itaka T, Agemizu K, Tsukada M, Inoue K.
    • Organizer
      日本武道学会第50回大会
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Book] 改革2016

    • Author(s)
      井上康生
    • Total Pages
      303
    • Publisher
      ポプラ社
    • Related Report
      2016 Research-status Report

URL: 

Published: 2016-04-21   Modified: 2021-02-19  

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