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Biomechanics of Long Cane Use.

Robert Wall Emerson1, Dae Shik Kim1, Koorosh Naghshineh2

  • 1Department of Blindness and Low Vision Studies, Western Michigan University, Kalamazoo, MI, USA.

Journal of Visual Impairment & Blindness
|April 8, 2021
PubMed
Summary
This summary is machine-generated.

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An Intersection Database Facilitates Access to Complex Signalized Intersections for Pedestrians with Vision Disabilities.

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Potentially long-lasting effects of the pandemic on scientists.

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Unequal effects of the COVID-19 pandemic on scientists.

Nature human behaviour·2020
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Obstacle Detection with the Long Cane: Effect of Cane Tip Design and Technique Modification on Performance.

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Effect of cane length and swing arc width on drop-off and obstacle detection with the long cane.

The British journal of visual impairment·2017

This study analyzed over 10,000 long cane trials for individuals who are blind. Findings reveal cane path deviations and inconsistent rhythm, though overall coverage remains high, offering insights into biomechanical performance.

Area of Science:

  • Biomechanics
  • Human-Computer Interaction
  • Assistive Technology

Background:

  • The long cane is a primary mobility tool for individuals who are blind.
  • Decades of use highlight its importance in navigation and obstacle detection.
  • This study focuses on biomechanical parameters of long cane use.

Purpose of the Study:

  • To describe biomechanical measures from over 10,000 trials of long cane use.
  • To analyze parameters influencing drop-off and obstacle detection.
  • To understand the mechanical performance of basic cane skills.

Main Methods:

  • Collected 10,069 trials from 101 participants across 11 studies (2007-2016).
  • Utilized 3-D motion analysis equipment to capture biomechanical data.
Keywords:
biomechanicsblindlong cane

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  • Investigated effects of participant and cane characteristics on detection performance.

    • Main Results:

    • Participants' cane arcs deviated up to 20 cm from midline, averaging nearly a meter in width.
    • Rhythm and step consistency were generally poor among participants.
    • Average coverage rates for obstacle detection were approximately 85%.

    Conclusions:

    • While participants may show enhanced performance in research settings, biomechanical insights are valuable.
    • Not centering the cane hand did not significantly reduce body coverage below 85%.
    • Further analysis is needed to fully understand biomechanical variables in cane use.