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Assessment of adaptive walking performance.

U Lindemann1, J Klenk, C Becker

  • 1Clinic for Geriatric Rehabilitation, Robert-Bosch-Hospital, Stuttgart, Germany. ulrich.lindemann@rbk.de

Medical Engineering & Physics
|December 4, 2012
PubMed
Summary

Adaptive walking performance, essential for navigating varied environments, was reliably measured in older adults. This test effectively distinguished age groups, revealing older adults may increase gait speed to compensate for reduced accuracy.

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Area of Science:

  • Biomechanics
  • Gerontology
  • Neuroscience

Background:

  • Gait variability is often viewed negatively, but irregular walking is crucial for adapting to environmental demands.
  • Assessing adaptive walking performance requires reliable and discriminative measures, especially across different age groups.

Purpose of the Study:

  • To evaluate the test-retest reliability and discriminative ability of a novel measure for adaptive walking performance.
  • To identify factors associated with adaptive walking performance in young and elderly individuals.

Main Methods:

  • Eighteen older (mean age 78.1) and 19 young women (mean age 30.8) performed a precise walking task over a course with targeted boxes.
  • An instrumented walkway with pressure sensors recorded walking parameters.
  • Intraclass correlation coefficient (ICC) was used to assess reliability; t-tests and classification accuracy evaluated group differences and discriminative ability.

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Last Updated: May 16, 2026

Motor Dual-Tasks for Gait Analysis and Evaluation in Post-Stroke Patients
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Substantiating Appropriate Motion Capture Techniques for the Assessment of Nordic Walking Gait and Posture in Older Adults
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The Ladder Rung Walking Task: A Scoring System and its Practical Application.
09:38

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Main Results:

  • The adaptive walking performance measure demonstrated sufficient test-retest reliability (ICC=0.79) in older women.
  • Older women exhibited significantly larger deviations (poorer targeting) compared to young women (3.20cm vs 2.27cm, p=0.005).
  • The measure correctly classified 78% of subjects by age group (sensitivity 67%, specificity 90%, p=0.003), with older adults showing higher gait speed during the test.

Conclusions:

  • The developed test is a reliable tool for assessing irregular, adaptive walking and can effectively discriminate between young and older adults.
  • Adaptive walking performance is linked to both physical and cognitive executive functions.
  • Findings suggest older adults may increase gait speed to mask decreased accuracy in adaptive walking tasks.