Influence of Lower Limb Alignment Changes before and after Total Knee Arthroplasty on Kinematic Characteristics during Walking

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  • DOI Seiji
    Graduate School of Science and Mechanical Engineering, Ehime University Department of Physical Therapy, Ehime Juzen School of Allied Medical Professions
  • SHIBATA Satoru
    Graduate School of Science and Mechanical Engineering, Ehime University
  • YAMAMOTO Tomonori
    Graduate School of Science and Mechanical Engineering, Ehime University
  • MU Shenglin
    Graduate School of Science and Mechanical Engineering, Ehime University

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Other Title
  • 人工膝関節全置換術前後における急激な下肢アライメント変化が歩行時の運動力学的特性に与える影響
  • ジンコウ シツカンセツ ゼン チカン ジュツゼン ゴ ニ オケル キュウゲキ ナ カシ アライメント ヘンカ ガ ホコウジ ノ ウン ドウリキガクテキ トクセイ ニ アタエル エイキョウ

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Abstract

<p>[Purpose] The purpose of this study was to clarify the influence of changes in lower limb alignment on kinematical variables and gait parameters of bilateral lower limbs before and after total knee arthroplasty. [Participants and Methods] The measurements of three-dimensional motion analysis and ground reaction force of 30 free walking patients who were hospitalized for total knee arthroplasty with bilateral osteoarthritis were compared between before and 6 weeks after surgery. This study calculated the mean value of the knee adduction moment during walking, ground reaction force vertical component, body center of gravity movement distance and walking parameters. [Results] Knee adduction moment on the operative side decreased, and the influence on non-operative kinetic variables and gait parameters were minimal. [Conclusion] On the operative side 6 weeks after surgery, knee adduction moment decreased due to improvement in lower limb alignment. On the non-operative side, the pre-operative gait pattern remained because there was no difference in walking speed, floor reaction force, or center-of-gravity movement distance.</p>

Journal

  • Rigakuryoho Kagaku

    Rigakuryoho Kagaku 35 (2), 283-288, 2020

    The Society of Physical Therapy Science

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