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Development of Training for Prevention of Stress Fracture - Focusing on Lower Limb Muscle Strength

Research Project

Project/Area Number 18K10860
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 59020:Sports sciences-related
Research InstitutionJuntendo University

Principal Investigator

Sakuraba Keishoku  順天堂大学, 大学院スポーツ健康科学研究科, 名誉教授 (50175460)

Co-Investigator(Kenkyū-buntansha) 藤田 真平  桜美林大学, 健康福祉学群, 助教 (30814529)
若松 健太  桜美林大学, 健康福祉学群, 准教授 (00551045)
Project Period (FY) 2018-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2020: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2019: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2018: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Keywords疲労骨折 / 下肢筋力 / 骨代謝マーカー / 筋収縮様式 / 伸張性収縮 / 短縮性収縮 / 予防 / 長距離走 / 長距離選手
Outline of Final Research Achievements

Stress fractures are one of the most important disorders for athletes to prevent because once they develop, it takes 2-3 months to heal completely. Until now, methods to prevent fatigue fractures have not been clarified. Therefore, in this study, we decided to clarify how to prevent Stress fracture by focusing on muscle strength of the lower limb.
The results indicated that bone metabolism markers may be lower in patients with higher lower limb muscle strength. In addition, it was shown that not only higher muscle strength but also higher muscle strength under eccentric contraction of the lower limb muscles is important.

Academic Significance and Societal Importance of the Research Achievements

研究成果は、これまでに疲労骨折の予防方法がなかったアスリートに対して、下肢筋力の重要性を示した最初の研究となる。また、単純に下肢の筋力を強くするだけではなく、筋の収縮様式にも着目し、伸張性筋力を高めることの重要性も示した。これは、筋を肥大させないでも疲労骨折を予防できる可能性を示した。これらの得られた結果は、疲労骨折発症の予防方法確立へ貢献し、疲労骨折のないスポーツ活動をするために役立つと期待できる。

Report

(5 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (5 results)

All 2020 2019 2018

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (4 results) (of which Int'l Joint Research: 1 results,  Invited: 1 results)

  • [Journal Article] 大学男子長距離選手における疲労骨折の予防・早期発見に対する骨代謝マーカーの有用性2018

    • Author(s)
      藤田真平, 桜庭景植, 窪田敦之, 若松健太, 洪定男, 鈴木良雄, 長門俊介, 仲村明, 山澤文裕
    • Journal Title

      日本臨床スポーツ医学会誌

      Volume: 26(3) Pages: 382-389

    • NAID

      40021679547

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Presentation] Comparison of lower limb muscle strength with and without stress fracture in collegiate female long-distance runners.2020

    • Author(s)
      Fujita S, Sakuraba_K, Wakamatsu K, Kubota A, Koikawa N
    • Organizer
      The 25 th Annual Congress of European College of Sport Science
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] 骨代謝マーカーを用いた疲労骨折の早期発見と予防2019

    • Author(s)
      藤田真平、櫻庭景植、窪田敦之、若松健太
    • Organizer
      第30回日本臨床スポーツ医学会学術集会
    • Related Report
      2019 Research-status Report
    • Invited
  • [Presentation] 大学女子長距離選手における下肢筋力と骨代謝マーカーの関係2018

    • Author(s)
      藤田真平、櫻庭景植、窪田敦之、若松健太、高澤祐治、鯉川なつえ
    • Organizer
      第29回日本臨床スポーツ医学会学術集会
    • Related Report
      2018 Research-status Report
  • [Presentation] 大学男子長距離選手における練習内容の違いが骨代謝マーカーに及ぼす影響2018

    • Author(s)
      藤田真平, 櫻庭景植, 窪田敦之, 若松健太, 鯉川なつえ, 山澤文裕
    • Organizer
      第73回日本体力医学会大会
    • Related Report
      2018 Research-status Report

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Published: 2018-04-23   Modified: 2023-01-30  

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