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Association between Gait Variability and Gait-Ability Decline in Elderly Women with Subthreshold Insomnia Stage

Author

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  • Taesang Lee

    (Major in Dance Division of Creative Performing Arts, Silla University, Sasang-gu, Busan 46958, Korea
    Biomechanics Laboratory, College of Health Sciences, Dong-A University, Saha-gu, Busan 49315, Korea
    Both authors contributed equally to this manuscript.)

  • Myeounggon Lee

    (Biomechanics Laboratory, College of Health Sciences, Dong-A University, Saha-gu, Busan 49315, Korea
    Both authors contributed equally to this manuscript.)

  • Changhong Youm

    (Biomechanics Laboratory, College of Health Sciences, Dong-A University, Saha-gu, Busan 49315, Korea
    Department of Healthcare and Science, College of Health Sciences, Dong-A University, Saha-gu, Busan 49315, Korea)

  • Byungjoo Noh

    (Department of Healthcare and Science, College of Health Sciences, Dong-A University, Saha-gu, Busan 49315, Korea)

  • Hwayoung Park

    (Biomechanics Laboratory, College of Health Sciences, Dong-A University, Saha-gu, Busan 49315, Korea)

Abstract

This study investigates the gait characteristics of elderly women, aged more than 65 years, with subthreshold insomnia stage at various walking speeds. A total of 392 participants (insomnia: 202 and controls: 190) wearing shoe-type inertial measurement units completed walking tests on a treadmill for a duration of 1 min at slower, preferred, and faster speeds. The insomnia group indicated lower pace parameters (range of Cohen’s d : 0.283–0.499) and the single support phase (Cohen’s d : 0.237), greater gait variability (range of Cohen’s d : 0.217–0.506), and bilateral coordination (range of Cohen’s d : 0.254–0.319), compared with their age-matched controls; the coefficient of variance (CV) of the stance phase at the faster speed condition was a crucial variable for distinguishing between insomnia and control groups. In addition, the insomnia group demonstrated insufficient gait adaptation at the slower and preferred speeds, as indicated by the CVs of the stride length, stride time, and step time. In particular, participants with worsened insomnia symptoms or sleep problems showed that these worse gait patterns may increase the potential risk of falling in elderly women. Thus, elderly women with subthreshold insomnia stage need to improve their sleep quality to enhance their physical functions.

Suggested Citation

  • Taesang Lee & Myeounggon Lee & Changhong Youm & Byungjoo Noh & Hwayoung Park, 2020. "Association between Gait Variability and Gait-Ability Decline in Elderly Women with Subthreshold Insomnia Stage," IJERPH, MDPI, vol. 17(14), pages 1-15, July.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:14:p:5181-:d:386188
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    References listed on IDEAS

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    2. Pablo Jorge Marcos-Pardo & Noelia González-Gálvez & Gemma María Gea-García & Abraham López-Vivancos & Alejandro Espeso-García & Rodrigo Gomes de Souza Vale, 2020. "Sarcopenia as a Mediator of the Effect of a Gerontogymnastics Program on Cardiorespiratory Fitness of Overweight and Obese Older Women: A Randomized Controlled Trial," IJERPH, MDPI, vol. 17(19), pages 1-15, September.
    3. Bohyun Kim & Changhong Youm & Hwayoung Park & Myeounggon Lee & Byungjoo Noh, 2021. "Characteristics of Gait Variability in the Elderly While Walking on a Treadmill with Gait Speed Variation," IJERPH, MDPI, vol. 18(9), pages 1-13, April.
    4. Myeounggon Lee & Yoonjae Noh & Changhong Youm & Sangjin Kim & Hwayoung Park & Byungjoo Noh & Bohyun Kim & Hyejin Choi & Hyemin Yoon, 2021. "Estimating Health-Related Quality of Life Based on Demographic Characteristics, Questionnaires, Gait Ability, and Physical Fitness in Korean Elderly Adults," IJERPH, MDPI, vol. 18(22), pages 1-18, November.
    5. Miki Sato & Feni Betriana & Ryuichi Tanioka & Kyoko Osaka & Tetsuya Tanioka & Savina Schoenhofer, 2021. "Balance of Autonomic Nervous Activity, Exercise, and Sleep Status in Older Adults: A Review of the Literature," IJERPH, MDPI, vol. 18(24), pages 1-15, December.

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