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Volume 19
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10.3390/ijerph19169901
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Article

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

by
Bohyun Kim
1,
Changhong Youm
1,2,*,
Hwayoung Park
1,
Myeounggon Lee
3 and
Hyejin Choi
1
1
Department of Health Sciences, The Graduate School of Dong-A University, Busan 49315, Korea
2
Department of Health Care and Science, Dong-A University, Busan 49315, Korea
3
Interdisciplinary Consortium on Advanced Motion Performance (iCAMP), Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX 77030, USA
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2022, 19(16), 9901; https://doi.org/10.3390/ijerph19169901
Submission received: 24 July 2022 / Revised: 8 August 2022 / Accepted: 10 August 2022 / Published: 11 August 2022
(This article belongs to the Section Women's Health)
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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.
Keywords: fall; gait variability; inertial measurement unit; muscle atrophy; older women fall; gait variability; inertial measurement unit; muscle atrophy; older women

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MDPI and ACS Style

Kim, B.; Youm, C.; Park, H.; Lee, M.; Choi, H. Association of Muscle Mass, Muscle Strength, and Muscle Function with Gait Ability Assessed Using Inertial Measurement Unit Sensors in Older Women. Int. J. Environ. Res. Public Health 2022, 19, 9901. https://doi.org/10.3390/ijerph19169901

AMA Style

Kim B, Youm C, Park H, Lee M, Choi H. Association of Muscle Mass, Muscle Strength, and Muscle Function with Gait Ability Assessed Using Inertial Measurement Unit Sensors in Older Women. International Journal of Environmental Research and Public Health. 2022; 19(16):9901. https://doi.org/10.3390/ijerph19169901

Chicago/Turabian Style

Kim, Bohyun, Changhong Youm, Hwayoung Park, Myeounggon Lee, and Hyejin Choi. 2022. "Association of Muscle Mass, Muscle Strength, and Muscle Function with Gait Ability Assessed Using Inertial Measurement Unit Sensors in Older Women" International Journal of Environmental Research and Public Health 19, no. 16: 9901. https://doi.org/10.3390/ijerph19169901

APA Style

Kim, B., Youm, C., Park, H., Lee, M., & Choi, H. (2022). Association of Muscle Mass, Muscle Strength, and Muscle Function with Gait Ability Assessed Using Inertial Measurement Unit Sensors in Older Women. International Journal of Environmental Research and Public Health, 19(16), 9901. https://doi.org/10.3390/ijerph19169901

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