Errors in Intra- and Inter-rater Measurements of Lower Limb Muscle Strength Using a Handheld Dynamometer

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  • SUZUKI Yoshikazu
    Department of Rehabilitation, Kitasato University East Hospital
  • ICHIKAWA Takafumi
    Department of Rehabilitation, Kitasato University Hospital
  • KAMIDE Naoto
    School of Allied Health Sciences, Kitasato University
  • MATOBA Erika
    Department of Rehabilitation, Kitasato University East Hospital
  • NAKAZONO Tetsuharu
    Department of Rehabilitation, Kitasato University Hospital
  • FUJIHASHI Noriyuki
    Department of Rehabilitation, Kitasato University East Hospital
  • HIRAGA Yoshimi
    Department of Rehabilitation, Kitasato University East Hospital
  • FUKUDA Michinari
    Department of Rehabilitation, Kitasato University East Hospital Department of Rehabilitation, Kitasato University Hospital School of Allied Health Sciences, Kitasato University

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Other Title
  • Hand Held Dynamometer を用いた下肢筋力測定に おける検者内・検者間に生じる測定誤差
  • Hand Held Dynamometer オ モチイタ カシ キンリョク ソクテイ ニ オケル ケンシャ ナイ ・ ケンシャ カン ニ ショウジル ソクテイ ゴサ

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Abstract

<p>[Purpose] The purpose of this study was to verify the magnitude of errors in muscle strength measurement using a handheld dynamometer (HHD). [Participants and Methods] The study participants were 16 healthy adults (32 limbs). A HHD was used to measure lower limb muscle strength, including hip flexion, extension, abduction, adduction and knee extension. Each measurement was performed two times by two experienced raters to verify the magnitude of errors in intra- and inter-rater measurements. The errors for each measurement were estimated using the % minimum detectable change (%MDC). [Results] The error in intra-rater measurements of hip adduction was within “acceptable” limits. The errors in inter-rater measurements of hip abduction and adduction exceeded “acceptable” limits. The errors of the other items were “acceptable”. [Conclusion] When muscle strength is measured using an HHD, careful attention should be paid to the magnitude of errors found in this study.</p>

Journal

  • Rigakuryoho Kagaku

    Rigakuryoho Kagaku 35 (2), 209-215, 2020

    The Society of Physical Therapy Science

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