Association between static and dynamic balance ability in community-dwelling older female adults

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  • Kamuro Ryuichi
    Department of Health and Sports Science, School of Health Science, Asahi University
  • Kitabayashi Yukiko
    Department of Nursing, Chukyo Gakuin University Active Aging Association
  • Imai Aiko
    Department of Rehabilitation and Care, Facukty of Health Science, Suzuka University of Medical Science Active Aging Association
  • Kato Yoshiji
    Nagoya Heisei College of Nursing and Medical Care Active Aging Association
  • Fujita Eiji
    Department of Sports and Life Science, National Institute of Fitness and Sports in Kanoya
  • Takeshima Nobuo
    Department of Health and Sports Science, School of Health Science, Asahi University Active Aging Association
  • Islam Mohammod Monirul
    Department of Sports and Life Science, National Institute of Fitness and Sports in Kanoya Active Aging Association

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Other Title
  • 地域在住高齢女性における静的バランスと動的バランスの関連性

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Purpose: This study examined the relationship between the static balance (SB) and dynamic balance (DB) of elderly women using a database of measurements which were evaluated by the same computerized dynamic posturography device. Methods: A total of 669 older women (mean age: 69.5 ± 6.0 years) out of the 730 older women, who volunteered for this study, successfully completed both the SB and DB measurements on the same balance master, and their data were analyzed. The SB index used was an overall average postural sway velocity (SVcomp), and the DB indexes, such as composite of endpoint excursion (EPEcomp), maximum excursion (MXEcomp), reaction time (RTcomp), movement mean velocity (MVLcomp), and direction control (DCLcomp), were the components of the limits of stability assessment. Results: A significant but low-to-moderate inverse Pearson correlation was noted between age and balance measurement variables. A significant but weak partial correlation between SVcomp and EPEcomp (r = -0.166, p < 0.001) and between SVcomp and MXEcomp (r = -0.125, p < 0.001) adjusted for the effect of age was noted. The partial correlation between SVcomp and other three DB parameters (RTcomp, MVLcomp, and DCLcomp) adjusted for the effect of age was also significant, but weak. Conclusion: A significant but weak relationship existed between the SB and DB measures when they were assessed by the same posturography device, indicating that both SB and DB should be tested to assess overall balance ability in elderly women.

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