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The effect of exercise therapy for peripheral nerve and locomotor function in patients with spastic cerebral palsy

Research Project

Project/Area Number 16K21440
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Rehabilitation science/Welfare engineering
Medical engineering assessment
Research InstitutionTokyo University of Technology

Principal Investigator

KUSUMOTO Yasuaki  東京工科大学, 医療保健学部, 講師 (60710465)

Research Collaborator SUGAWARA Hitoshi  
Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2017: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2016: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Keywords痙直型 / 脳性麻痺 / H反射 / ストレッチ / 脊髄前角細胞 / 下肢随意性 / 関節トルク / 神経伝導速度 / 末梢神経 / 神経電動速度 / 筋力 / 脛骨神経 / 粗大運動 / 歩行 / 運動療法
Outline of Final Research Achievements

Within SCP patients classified as levels I and II, based on GMFCS, there were no differences found in tibial nerve conduction velocity between dominant and non-dominant foot. The H-reflex amplitude of standing position was higher than in prone which suggests the decrease in the ability to adjust reflexes in certain postures. In addition, the amplitude of H-reflex showed a significant interaction between the SCP subjects and healthy individuals, both before and after dorsiflexion. The SCP subjects presented diminished ability to regulate H-reflex during isometric ankle dorsiflexion compared to healthy individuals. Finally, we were able to confirm that the H-reflex amplitude improved after the stretching in the standing position in only gross motor level I SCP subjects and healthy individuals.The necessity to alter stretching methods of the gastrocnemius and soleus muscles according to the ability to regulate the amplitude of H-reflexes in SCP patients is suggested.

Academic Significance and Societal Importance of the Research Achievements

ストレッチ後の可動域増大には筋や腱の粘弾性の変化である生理学的要因と脊髄前角細胞の興奮性を含めた神経学的要因が関与する。足関節を上側に動かした際にH波振幅値が上昇する者へのふくらはぎの筋(腓腹筋やヒラメ筋)のストレッチでは相反抑制の効果を組み合わせることはできないため、痙直型脳性麻痺者の足関節ストレッチは、H波振幅値の上昇と低下に合わせて、神経学的な効果を組み合わせるか判断する必要性が示唆された。
脳性麻痺患者における運動療法として、より効果的なストレッチ方法の選択が可能となることが示唆された。

Report

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

    (4 results)

All 2019 2018

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Open Access: 1 results) Presentation (3 results)

  • [Journal Article] Characteristics of H-reflex during Isometric Dorsiflexion of the Ankle in Patients with Spastic Cerebral Palsy2019

    • Author(s)
      楠本泰士、菅原仁、松田雅弘、高木健志、新田收
    • Journal Title

      Physical Therapy Japan

      Volume: 46 Issue: 3 Pages: 168-173

    • DOI

      10.15063/rigaku.11539

    • NAID

      130007665299

    • ISSN
      0289-3770, 2189-602X
    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] 痙直型脳性麻痺両麻痺児の立位姿勢における脊髄興奮性の変化 H反射を用いたpilot study2018

    • Author(s)
      楠本泰士、菅原仁、新田收、松田雅弘、高木健志
    • Organizer
      第28回日本保健科学学会学術集会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 痙直型脳性麻痺患者におけるH反射の特徴と持続的ストレッチが脊髄前角細胞の興奮性に及ぼす影響のpilot study2018

    • Author(s)
      楠本泰士、菅原仁、高木健志、松田雅弘、新田收
    • Organizer
      第5回日本小児理学療法学会学術大会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 痙直型脳性麻痺における末梢神経伝導速度と下肢随意性、関節トルクの関係2018

    • Author(s)
      楠本泰士
    • Organizer
      第55回日本リハビリテーション医学会学術集会
    • Related Report
      2017 Research-status Report

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Published: 2016-04-21   Modified: 2020-03-30  

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