Using a stair horizontal-vertical illusion to increase foot clearance over an inconsistently taller stair-riser

• Timmion K. Skervin,

  Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Software, Visualization, Writing – original draft, Writing – review & editing

  Affiliation Research to Improve Stair Climbing Safety, School of Sport and Exercise Sciences, Faculty of Science, Liverpool John Moores University, Liverpool, United Kingdom

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• Neil M. Thomas,

  Roles Data curation, Investigation, Supervision, Writing – review & editing

  Affiliation Research to Improve Stair Climbing Safety, School of Sport and Exercise Sciences, Faculty of Science, Liverpool John Moores University, Liverpool, United Kingdom

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• Andrew J. Schofield,

  Roles Funding acquisition, Supervision, Writing – review & editing

  Affiliation School of Psychology & Aston Research Centre for Healthy Ageing, College of Health and Life Sciences, Aston University, Birmingham, United Kingdom

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• Mark A. Hollands,

  Roles Conceptualization, Funding acquisition, Supervision, Writing – review & editing

  Affiliation Research to Improve Stair Climbing Safety, School of Sport and Exercise Sciences, Faculty of Science, Liverpool John Moores University, Liverpool, United Kingdom

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• Constantinos N. Maganaris,

  Roles Conceptualization, Funding acquisition, Supervision, Writing – review & editing

  Affiliation Research to Improve Stair Climbing Safety, School of Sport and Exercise Sciences, Faculty of Science, Liverpool John Moores University, Liverpool, United Kingdom

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• Thomas D. O’Brien,

  Roles Conceptualization, Writing – review & editing

  Affiliation Research to Improve Stair Climbing Safety, School of Sport and Exercise Sciences, Faculty of Science, Liverpool John Moores University, Liverpool, United Kingdom

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• Vasilios Baltzopoulos,

  Roles Conceptualization, Writing – review & editing

  Affiliation Research to Improve Stair Climbing Safety, School of Sport and Exercise Sciences, Faculty of Science, Liverpool John Moores University, Liverpool, United Kingdom

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• Richard J. Foster

  Roles Conceptualization, Funding acquisition, Investigation, Methodology, Supervision, Writing – original draft, Writing – review & editing

  * E-mail: R.J.Foster@ljmu.ac.uk

  Affiliation Research to Improve Stair Climbing Safety, School of Sport and Exercise Sciences, Faculty of Science, Liverpool John Moores University, Liverpool, United Kingdom

  https://orcid.org/0000-0003-2410-9839

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