The Relationship between the Weight-bearing Ratio and Isometric Knee Extension Strength of Elderly Inpatients

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  • KASHIMA Kensaku
    Department of Rehabilitation, National Hospital Organization Kochi National Hospital
  • YAMASAKI Hiroshi
    Department of Physical Therapy, Kochi Rehabilitation Institute
  • KAWAMURA Mitsugu
    Department of Rehabilitation, National Hospital Organization Kochi National Hospital
  • TSUDA Yasumichi
    Department of Rehabilitation, National Hospital Organization Kochi National Hospital
  • OOGIKU Satoru
    Department of Rehabilitation, National Hospital Organization Kochi National Hospital
  • MINEDA Takuya
    Department of Rehabilitation, National Hospital Organization Kochi National Hospital
  • MABUCHI Masaru
    Department of Rehabilitation, National Hospital Organization Kochi National Hospital
  • SHINOHARA Tsutomu
    Department of Clinical Research, National Hospital Organization Kochi National Hospital

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Other Title
  • 高齢入院患者における下肢荷重率と等尺性膝伸展筋力の関係
  • コウレイ ニュウイン カンジャ ニ オケル カシ カジュウリツ ト トウ シャクセイ シツ シンテン キンリョク ノ カンケイ

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Abstract

[Purpose] To clarify the effect of knee extensor strength on the weight-bearing ability of the lower limbs. [Subjects] The subjects were 237 inpatients over the age of 65. [Methods] Starting from 0.2 kgf/kg, we divided isometric knee extension strength into 0.1 kgf/kg levels and calculated the average lower limb weight-bearing ratio for each level. [Results] At low levels of muscle strength, the weight-bearing ratio showed low values. At muscle strength levels below 0.3 kgf/kg, the weight-bearing ratio showed significant differences from those at all the other levels. However, at muscle strength levels above 0.4 kgf/kg, significant differences in the weight-bearing ratios were not found. [Conclusion] Isometric knee extension strength and the weight-bearing ratio are closely related, and when knee extension strength falls below a certain level, the ability of the lower limbs to support body weight is impaired. <br>

Journal

  • Rigakuryoho Kagaku

    Rigakuryoho Kagaku 30 (1), 131-133, 2015

    The Society of Physical Therapy Science

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