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Does the stretch promote recovery the muscle injury?

Research Project

Project/Area Number 21800071
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeSingle-year Grants
Research Field Rehabilitation science/Welfare engineering
Research InstitutionHamamatsu University

Principal Investigator

AGATA Nobuhide  Hamamatsu University, 保健医療学部, 助教 (00549313)

Project Period (FY) 2008 – 2010
Project Status Completed (Fiscal Year 2010)
Budget Amount *help
¥2,652,000 (Direct Cost: ¥2,040,000、Indirect Cost: ¥612,000)
Fiscal Year 2010: ¥1,261,000 (Direct Cost: ¥970,000、Indirect Cost: ¥291,000)
Fiscal Year 2009: ¥1,391,000 (Direct Cost: ¥1,070,000、Indirect Cost: ¥321,000)
Keywords理学療法学 / 骨格筋 / 伸張刺激 / 筋損傷 / ラット / リハビリテーション / 動物 / 細胞・組織 / 再生医学 / 医療・福祉
Research Abstract

Making of the muscle injury model with high reproducibility by the eccentric contraction was tried. TA muscle was subjected to 50 forced eccentric contractions in 5 bouts of 10 contraction (one contraction every 10 sec) interspaced with a 60 sec recovery period. Eccentric contractions was performed by dorsiflexion of the foot at the ankle joint (rotation from 60 to 150 deg) with a rotational velocity of 200 deg/sec. The data was used from dorsiflexion torque after 48 hours is less 10 or less. It was thought that the stripe damage model with high reproducibility was able to be made by using the above-mentioned condition. Next, the recovery process from the muscle injury of this model was verified. As a result, the incidence that recovered as appearance of small muscle fiber area, growth of the muscle fiber, ratio of D-MHC positivity muscle fiber, dorsiflexion torque relating each other was observed.

Report

(3 results)
  • 2010 Annual Research Report   Final Research Report ( PDF )
  • 2009 Annual Research Report
  • Research Products

    (13 results)

All 2010 2009 Other

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (10 results) Remarks (1 results)

  • [Journal Article] Involvement of PI3K/Akt/TOR pathway in stretch-induced hypertrophy of myotubes2010

    • Author(s)
      Nobuaki Sasai, Nobuhide Agata, Masumi Inoue-Miyazu, Keisuke Kawakami, Kunihiko Kobayashi, Masahiro Sokabe, Kimihide Hayakawa
    • Journal Title

      Muscle and Nerve 41(1)

      Pages: 100-106

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] Involvement of PI3K/Akt/TOR pathway in stretch-induced hypertrophy of myotubes2010

    • Author(s)
      Nobuaki Sasai
    • Journal Title

      Muscle and Nerve 41

      Pages: 100-106

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Presentation] 除神経による機械刺激の減少がコスタメア構造に及ぼす影響2010

    • Author(s)
      縣信秀,笹井宣昌,清島大資,宮津真寿美,早川公英,河上敬介
    • Organizer
      第18回日本物理療法学会学術大会
    • Place of Presentation
      東京
    • Related Report
      2010 Final Research Report
  • [Presentation] 伸張刺激の筋萎縮軽減効果は,伸張刺激の周波数によって異なる2010

    • Author(s)
      鈴木惇也,縣信秀,宮津真寿美,河上敬介
    • Organizer
      第15回理学療法の医学的基礎研究会学術集会
    • Place of Presentation
      愛知
    • Related Report
      2010 Final Research Report
  • [Presentation] 塩酸Bupivacaine溶液による損傷筋の筋力回復と組織学的変化2010

    • Author(s)
      岡元信弥,森友洋,伊東佑太,鈴木惇也,縣信秀,宮津真寿美,河上敬介
    • Organizer
      第45回日本理学療法学術大会
    • Place of Presentation
      岐阜
    • Related Report
      2010 Final Research Report
  • [Presentation] 塩酸Bupivacaine溶液による損傷筋の筋力回復と組織学的変化2010

    • Author(s)
      岡元信弥, 森友洋, 伊東佑太, 鈴木惇也, 縣信秀, 宮津真寿美, 河上敬介
    • Organizer
      第45回日本理学療法学術大会
    • Place of Presentation
      長良川国際会議場(岐阜)
    • Related Report
      2010 Annual Research Report
  • [Presentation] 伸張刺激の筋萎縮軽減効果は, 伸張刺激の周波数によって異なる2010

    • Author(s)
      鈴木惇也, 縣信秀, 宮津真寿美, 河上敬介
    • Organizer
      第15回理学療法の医学的基礎研究会学術集会
    • Place of Presentation
      日本福祉大学(愛知)
    • Related Report
      2010 Annual Research Report
  • [Presentation] 除神経による機械刺激の減少がコスタメア構造に及ぼす影響2010

    • Author(s)
      縣信秀, 笹井宣昌, 清島大資, 宮津真寿美, 早川公英, 河上敬介
    • Organizer
      第18回日本物理療法学会学術大会
    • Place of Presentation
      日本工学院専門学校(東京)
    • Related Report
      2010 Annual Research Report
  • [Presentation] Repetitive Stretching Suppresses Muscle Atrophy of Denervated Soleus Muscle Via Akt/mTOR Pathways2009

    • Author(s)
      Nobuhide Agata, Nobuaki Sasai, Masumi Inoue-Miyazu, Keisuke Kawakami, Kimihide Hayakawa, Kunihiko Kobayashi, MasahiroSokabe
    • Organizer
      36th international congress of physiological sciences
    • Place of Presentation
      Kyoto
    • Related Report
      2010 Final Research Report 2009 Annual Research Report
  • [Presentation] Bupivacaineによる筋損傷モデルラットにおける筋力と非損傷部の横断面積との関係2009

    • Author(s)
      岡元信弥、森友洋、伊東佑太、片岡亮人、縣信秀、宮津真寿美、河上敬介
    • Organizer
      第14回理学療法の医学的基礎研究会学術集会
    • Place of Presentation
      東京
    • Related Report
      2010 Final Research Report
  • [Presentation] 筋損傷をH-E染色にて評価できるか?2009

    • Author(s)
      森友洋、岡元信弥、伊東佑太、片岡亮人、縣信秀、宮津真寿美、河上敬介
    • Organizer
      第14回理学療法の医学的基礎研究会学術集会
    • Place of Presentation
      東京
    • Related Report
      2010 Final Research Report 2009 Annual Research Report
  • [Presentation] Bupivacaine による筋損傷モデルラットにおける筋力と非損傷部の横断面積との関係2009

    • Author(s)
      岡元信弥
    • Organizer
      第14回理学療法の医学的基礎研究会学術集会
    • Place of Presentation
      東京
    • Related Report
      2009 Annual Research Report
  • [Remarks] ホームページ等

    • Related Report
      2010 Final Research Report

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Published: 2009-04-01   Modified: 2016-04-21  

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