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Related Experiment Video

Updated: Apr 23, 2026

The Ladder Rung Walking Task: A Scoring System and its Practical Application.
09:38

The Ladder Rung Walking Task: A Scoring System and its Practical Application.

Published on: June 12, 2009

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Three-level rating of turns while walking.

Sarah E England1, Joe Verghese2, Jeannette R Mahoney2

  • 1Ferkauf Graduate School of Psychology, Yeshiva University, Bronx, NY, USA.

Gait & Posture
|October 6, 2014
PubMed
Summary

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Three methods for assessing walking turns in older adults showed good agreement. Participants perceived turn completion earlier than algorithms or clinicians, with discrepancies linked to visuospatial skills.

Area of Science:

  • Gerontology
  • Biomechanics
  • Clinical Assessment

Background:

  • Assessing turning during walking in older adults is crucial for understanding mobility and fall risk.
  • Limited research exists on the consistency of different methods for evaluating turn entry and exit points.

Purpose of the Study:

  • To compare the agreement between participant self-assessment, clinical rater evaluation, and a computer algorithm for turn entry and exit points during walking in healthy older adults.

Main Methods:

  • Nineteen healthy older adults (mean age 75.40 ± 5.52 years) participated.
  • Three independent assessments were used: participant perception, a clinical rater's judgment, and a computer algorithm.
  • Agreement and time differences in determining turn entry and exit points were analyzed.
Keywords:
Older adultsVisual perceptionWalking turns

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Related Experiment Videos

Last Updated: Apr 23, 2026

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Main Results:

  • Overall consistency was high (68-100%) across the three methods.
  • Participants consistently identified turn exit points earlier than both the algorithm and the clinical rater (p < .005).
  • Significant differences were found between the algorithm and rater at turn entry points (p < .001), but not exit points (p < .20).
  • Larger discrepancies in exit point timing correlated with poorer visuospatial performance.

Conclusions:

  • Participant self-assessment, clinical rating, and algorithmic analysis of walking turns are largely consistent and can be used interchangeably.
  • Individual differences in perceiving turn completion, particularly related to visuospatial abilities, warrant further investigation in relation to fall risk.