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Related Experiment Videos

Age-associated declines in complex walking task performance: the Walking InCHIANTI toolkit.

Anne Shumway-Cook1, Jack M Guralnik, Caroline L Phillips

  • 1Department of Rehabilitation Medicine, University of Washington, Seattle, WA 98195, USA. ashumway@u.washington.edu

Journal of the American Geriatrics Society
|January 20, 2007
PubMed
Summary

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Complex walking tasks (CWTs) effectively evaluate mobility, revealing age-related declines in gait velocity, especially after 65. These tests offer insights beyond usual gait speed for assessing functional status.

Area of Science:

  • Gerontology
  • Biomechanics
  • Mobility Assessment

Background:

  • Mobility is crucial for independence in older adults.
  • Assessing mobility under various conditions is essential for understanding functional decline.
  • Existing measures may not fully capture mobility limitations in diverse populations.

Purpose of the Study:

  • To introduce and evaluate a set of complex walking tasks (CWTs).
  • To characterize age- and sex-specific performance on these novel mobility tests.
  • To determine the utility of CWTs in assessing mobility beyond standard gait speed measurements.

Main Methods:

  • A population-based study involving 1,227 participants aged 20-95 in Tuscany, Italy.
  • Gait velocity was measured across 13 complex walking tasks using the Walking InCHIANTI Toolkit (WIT).

Related Experiment Videos

  • Additional assessments included the Short Physical Performance Battery and self-reported functional status.

    • Main Results:

    • Significant age-associated decrements in gait velocity were observed on CWTs, particularly for individuals aged 65 and older.
    • A notable number of older adults were unable to complete certain CWTs.
    • Performance variability on CWTs indicated limitations not captured by usual gait speed alone.

    Conclusions:

    • Complex walking tasks (CWTs) provide valuable insights into mobility function, especially for individuals with near-normal usual gait speed.
    • CWTs may help identify subtle mobility impairments missed by conventional assessments.
    • Further research is warranted to understand the physiological basis of age-related performance decline on CWTs.