The Effects of Stretching on Collagen Fibril Arrangements in the Endomysium of Rat Skeletal Muscle

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  • ISHIKURA Hideki
    Department of Rehabilitation, Dohi hospital
  • ONO Takeya
    Department of Physical Therapy, Faculty of Health and Welfare, Prefectural University of Hiroshima
  • OKI Sadaaki
    Department of Physical Therapy, Faculty of Health and Welfare, Prefectural University of Hiroshima
  • UMEI Namiko
    Department of Physical Therapy, Faculty of Health and Welfare, Prefectural University of Hiroshima
  • OTAO Hiroshi
    Department of Physical Therapy, Faculty of Health and Welfare, Prefectural University of Hiroshima
  • HAYASHI Kazuhiro
    FullBack Reha-Service L.L.C.
  • TASAKA Atsushi
    Department of Comprehensive Scientific Research, Prefectural University of Hiroshima
  • AIHARA Kazuki
    Department of Comprehensive Scientific Research, Prefectural University of Hiroshima
  • OTSUKA Akira
    Department of Physical Therapy, Faculty of Health and Welfare, Prefectural University of Hiroshima

Bibliographic Information

Other Title
  • ラット骨格筋の筋内膜コラーゲン線維に対する伸張の影響
  • ラット コッカクキン ノ キン ナイマク コラーゲン センイ ニ タイスル シンチョウ ノ エイキョウ

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[Purpose] The purpose of this study was to clarify quantitative relations with the degree of an endomysium collagen fiber network change and the extension at the time of the rat soleus muscle extension. [Subjects] The subjects of this study were Wistar rats. [Method] Rats were divided into four experimental groups. The first group did not have the soleus muscle extended. In the second group, the soleus muscle was extended 10 mm. In the third group, the soleus muscle was extended 20 mm. In the fourth group, the soleus muscle was extended to the maximum. We examined the correlation between the extension distance and endomysium collagen fiber arrangement. [Result] The morphological changes of collagen fibers in the muscle membrane and the stretching muscle distance was significantly correlated. [Conclusion] It appears that collagen fibril arrangement in the endomysium move longitudinally toward the axis of the muscle fibers during muscle stretching.<br>

Journal

  • Rigakuryoho Kagaku

    Rigakuryoho Kagaku 28 (3), 293-296, 2013

    The Society of Physical Therapy Science

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