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June 5, 2026Applied Ergonomics0 citationsOpen Access

Shoe-rung coefficient of friction as a predictor of slips in ladder climbing

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VWViolet M WilliamsSGSarah C. GriffinRSRichard W. Smith

Key Points

  • The central aim is to evaluate how the shoe-rung coefficient of friction predicts slips during ladder climbing.
  • Utilized biofidelic testing parameters to assess friction levels.
  • Examined different ladder rung designs, focusing on their cross-sectional shapes.
  • Measured slip outcomes based on varying friction coefficients.
  • Ladder rungs with sufficient friction, particularly non-slip with rectangular cross-sections, significantly prevent slips.
  • The shoe-rung coefficient of friction was strongly predictive of slip outcomes.
  • ACOFR - RCOF did not correlate with slip events.

Abstract

) were the best predictors, while ACOF - RCOF was not predictive of slip outcomes. Ladder rung designs with sufficient friction (especially non-slip rungs with rectangular cross-sections) can prevent slip events and the developed biofidelic testing parameters provide an opportunity to measure this risk.

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Cite This Study

Williams et al. (2026) studied this question.

synapsesocial.com/papers/6a22672f763171746d545e22https://doi.org/10.1016/j.apergo.2026.104827
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