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Association of Muscle Mass, Muscle Strength, and Muscle Function with Gait Ability Assessed Using Inertial Measurement Unit Sensors in Older Women

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  • Bohyun Kim

    (Department of Health Sciences, The Graduate School of Dong-A University, Busan 49315, Korea)

  • Changhong Youm

    (Department of Health Sciences, The Graduate School of Dong-A University, Busan 49315, Korea
    Department of Health Care and Science, Dong-A University, Busan 49315, Korea)

  • Hwayoung Park

    (Department of Health Sciences, The Graduate School of Dong-A University, Busan 49315, Korea)

  • Myeounggon Lee

    (Interdisciplinary Consortium on Advanced Motion Performance (iCAMP), Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX 77030, USA)

  • Hyejin Choi

    (Department of Health Sciences, The Graduate School of Dong-A University, Busan 49315, Korea)

Abstract

Aging-related muscle atrophy is associated with decreased muscle mass (MM), muscle strength (MS), and muscle function (MF) and may cause motor control, balance, and gait pattern impairments. This study determined associations of three speed-based gait variables with loss of MM, MS, and MF in older women. Overall, 432 older women aged ≥65 performed appendicular skeletal muscle, handgrip strength, and five times sit-to-stand test to evaluate MM, MS, and MF. A gait test was performed at three speeds by modifying the preferred walking speed (PWS; slower walking speed (SWS); faster-walking speed (FWS)) on a straight 19 m walkway. Stride length (SL) at PWS was significantly associated with MM. FWS and coefficient of variance (CV) of double support phase (DSP) and DSP at PWS showed significant associations with MS. CV of step time and stride time at SWS, FWS, and single support phase (SSP) at PWS showed significant associations with MF. SL at PWS, DSP at FWS, CV of DSP at PWS, stride time at SWS, and CV of SSP at PWS showed significant associations with composite MM, MS, and MF variables. Our study indicated that gait tasks under continuous and various speed conditions are useful for evaluating MM, MS, and MF.

Suggested Citation

  • Bohyun Kim & Changhong Youm & Hwayoung Park & Myeounggon Lee & Hyejin Choi, 2022. "Association of Muscle Mass, Muscle Strength, and Muscle Function with Gait Ability Assessed Using Inertial Measurement Unit Sensors in Older Women," IJERPH, MDPI, vol. 19(16), pages 1-11, August.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:16:p:9901-:d:885472
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    References listed on IDEAS

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    1. Byungjoo Noh & Changhong Youm & Myeounggon Lee & Hwayoung Park, 2020. "Associating Gait Phase and Physical Fitness with Global Cognitive Function in the Aged," IJERPH, MDPI, vol. 17(13), pages 1-11, July.
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