The Effectiveness of a Simple Approach to the Assessment of the Risk of Falls in the Elderly : Probe Reaction Time and the Dispersion of the Time for a Single Step during Marking Time

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著者

    • HUO MING
    • Department of Physical Therapy, Faculty of Heath Science, International University of Health and Welfare
    • MARUYAMA HITOSHI
    • Department of Physical Therapy, Faculty of Heath Science, International University of Health and Welfare

抄録

This paper discusses the relationship of the probe reaction time (P-RT), the number of steps, and the step rhythm to the risk of falls. These three factors were measured while subjects marked time at a self-determined rate. The subjects were divided into three groups including 18 young subjects (Young group; 15 males, 3 females), 11 elderly subjects who had not experienced falls (Old no-fall group; 1 male, 10 females) and 8 elderly subjects who had experienced falls (Old fall group; 3 males, 5 females). Using a digital audio player (for sonic stimulation) and sound recording equipment, the probe reaction time and the sound of the foot touching the ground was measured. One-way analysis of the variance of the probe reaction time showed a significant effect in all groups, and post-hoc comparison of the means confirmed that the probe reaction time scores were significantly longer in the Old fall group than in the Young group or the Old no-fall group. The coefficient of variation (CV) of the time for a single step was calculated once for the right foot and once for the left foot, and revealed that the effect was significant for all groups. Two-way analysis of the variance was significant, and a post-hoc comparison of the means confirmed the differences between the groups. It was thus found that the probe reaction time and the coefficient of variation of the time for a single step are reliable and useful for evaluation of the risk of falls.

収録刊行物

  • Journal of physical therapy science  

    Journal of physical therapy science 18(2), 181-185, 2006-12-30 

    理学療法科学学会

参考文献:  9件

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被引用文献:  8件

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各種コード

  • NII論文ID(NAID)
    10018451408
  • NII書誌ID(NCID)
    AA10798949
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    09155287
  • データ提供元
    CJP書誌  CJP引用  J-STAGE 
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