めまいと歩行分析 Vertigo and Gait Analysis

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Human locomotion (gait) is a complex motor function, and it developed during the first several years after birth to establish functional synergy for this well controlled whole body movement.<br>Gaits initiated by inner will are controlled at many levels such as by the vestibular system, visual system, kinaesthetic system and gait control system in the central nervous system. Accordingly, a certain lesion in this controlling system could cause behavioral abnormality and/ or pattern abnormality in a gait. Gait analysis should delineate these abnormalities.<br>Data obtained by gait analysis using foot switches and electromyography or a tactile sensor (F-scan) in patients with vestibular system disorders are presented. In cases with peripheral vestibular disease, gait instability did occur, which was evidenced by a higher rate of occurrence of abnormality in gait phaserelated parameters, especially in the coefficient of variation of time from hindfoot strike to forefoot strike.<br>Changes in other variables were greater in subjects with disorders of the central vestibular system. When we examined the patients using a tactile sensor, we found a tendency in the peripheral cases for foot pressure to be greater on the lesion side foot, especially in gait with eyes closed. In central lesioned cases, the irregularity of foot pressure progression was severer than that in the peripheral cases along with a greater irregularity of trajectories of center of force during stance. Also changes in other gait-related parameters were obtained, which were depicted by a greater value of coefficient of variation such as stance, swing, double supports and so on, indicating degree of instability. Some changes showed a certain lesion in patients with a seemingly normal gait.

収録刊行物

  • 耳鼻咽喉科臨床

    耳鼻咽喉科臨床 95(5), 427-436, 2002-05-01

    耳鼻咽喉科臨床学会

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各種コード

  • NII論文ID(NAID)
    10008382564
  • NII書誌ID(NCID)
    AN00107089
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    00326313
  • NDL 記事登録ID
    6154731
  • NDL 雑誌分類
    ZS43(科学技術--医学--耳鼻咽喉科学)
  • NDL 請求記号
    Z19-421
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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