Ultrasound Biological Analysis of the Effect of Self-Stretching on the Gastrocnemius Muscle

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  • NAKAMURA Kouichi
    Department of Shizuoka Physical Therapy, Faculty of Health Science, Tokoha University
  • KODAMA Takayuki
    Department of Physical Therapy, Faculty of Health Sciences, Kyoto Tachibana University
  • HIRANO Yukinobu
    Department of Shizuoka Physical Therapy, Faculty of Health Science, Tokoha University
  • SUZUKI Shigeyuki
    Program in Physical and Occupational Therapy, Graduate School of Health Sciences, Nagoya University
  • INOMOTO Atsushi
    Department of Physical Therapy, School of Rehabilitation, Kyushu Nutrition Welfare University
  • UMENO Kazuya
    Department of Physical Therapy, Fukuoka Wajiro Rehabilitation
  • OKAMOTO Nobuhiro
    Department of Physical Therapy, Fukuoka Wajiro Rehabilitation

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Other Title
  • 腓腹筋に対するセルフストレッチング効果の超音波学的解析
  • ヒフクキン ニ タイスル セルフストレッチング コウカ ノ チョウオンパガクテキ カイセキ

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Abstract

[Purpose] The purpose of this study was to biologically clarify the effect of a self-stretching exercise on the hemodynamics of the gastrocnemius muscle. [Subjects] The subjects were the 40 left legs of 40 healthy male students. [Methods] Under two conditions of active individual muscle stretching (AID) and no stretching, the hemodynamics of the popliteal artery were investigated and compared, between the conditions and before and after stretching, using the arterial diameter and blood flow velocity evaluated by ultrasound. [Results] No significant difference was found between the conditions in the arterial diameter, but after AID, a significant increase in the blood flow velocity was observed. [Conclusion] The fact that self-stretching of the gastrocnemius muscle raised the blood flow velocity, suggests the possibility that it temporarily increases the volume of the blood flow in the muscle it controls. <br>

Journal

  • Rigakuryoho Kagaku

    Rigakuryoho Kagaku 31 (2), 261-264, 2016

    The Society of Physical Therapy Science

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