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Related Experiment Video

Updated: Jan 16, 2026

Clinical Assessment of Spatiotemporal Gait Parameters in Patients and Older Adults
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Association Between Physical Performance, Gait Variability, and Fall Risk in Community-Dwelling Older Adults:

Yongnam Park1, Youngsook Bae2

  • 1Department of Physical Therapy, Suwon Women's University, Gyeonggi-do, Suwon 18333, Republic of Korea.

Life (Basel, Switzerland)
|September 27, 2025
PubMed
Summary
This summary is machine-generated.

Gait variability, measured by step-width CV and velocity CV, along with physical performance tests like Timed Up-and-Go (TUG) and hand grip strength (HGS), can predict fall risk in older adults.

Keywords:
accidental fallsagedgaitphysical fitnessrisk factor

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Area of Science:

  • Gerontology
  • Biomechanics
  • Public Health

Background:

  • Falls are a major concern for community-dwelling older adults, leading to injury and reduced quality of life.
  • Identifying individuals at high risk of falls is crucial for implementing preventive strategies.

Purpose of the Study:

  • To examine the relationship between physical performance, gait variability, and the risk of falls in older adults living in the community.
  • To identify key indicators that can effectively predict fall risk.

Main Methods:

  • A cross-sectional study involving 446 community-dwelling older adults, categorized into fall-risk and non-fall-risk groups.
  • Physical performance assessed via hand grip strength (HGS), Timed Up-and-Go (TUG) test, and Five Times Sit-to-Stand test (5TSTS).
  • Spatiotemporal gait parameters and their coefficients of variation (CV) were measured using treadmill analysis.

Main Results:

  • Timed Up-and-Go (TUG), hand grip strength (HGS), step-width CV, and velocity CV were significantly associated with fall risk.
  • Step-width CV and TUG showed the highest accuracy in discriminating between fall-risk and non-fall-risk groups (AUC = 0.715 and 0.708, respectively).
  • Age was not found to be a significant predictor of fall risk in this cohort.

Conclusions:

  • Gait variability, particularly step-width CV, is a sensitive marker for assessing gait stability and fall risk.
  • Combining TUG test results with step-width CV measurements may enhance the identification of older adults prone to falls.
  • These findings highlight the importance of evaluating gait variability in routine fall risk screening programs for the elderly.