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dc.contributor.authorFoster, Richard J.
dc.contributor.authorBuckley, John G.
dc.contributor.authorWhitaker, David J.
dc.contributor.authorElliott, David B.
dc.date.accessioned2016-04-29T14:38:02Z
dc.date.available2016-04-29T14:38:02Z
dc.date.issued2016
dc.identifier.citationFoster RJ, Buckley JG, Whitaker D and Elliott DB (2016) The addition of stripes (a version of the ‘horizontal-vertical illusion’) increases foot clearance when crossing low-height obstacles, Ergonomics. 59(7): 884-889.en_US
dc.identifier.urihttp://hdl.handle.net/10454/8241
dc.descriptionyesen_US
dc.description.abstractTrips over obstacles are one of the main causes of falling in older adults, with vision playing an important role in successful obstacle negotiation. We determined whether a horizontal-vertical illusion, superimposed onto low-height obstacles to create a perceived increase in obstacle height, increased foot clearances during obstacle negotiation thus reducing the likelihood of tripping. Eleven adults (mean ± 1 SD: age 27.3 ± 5.1 years) negotiated obstacles of varying heights (3, 5, 7 cm) with four different appearance conditions; two were obstacles with a horizontal-vertical illusion (vertical stripes of different thickness) superimposed on the front, one was a plain obstacle and the fourth a plain obstacle with a horizontal black line painted on the top edge. Foot clearance parameters were compared across conditions. Both illusions led to a significant increase in foot clearance when crossing the obstacle, compared to the plain condition, irrespective of obstacle height. Superimposing a horizontal-vertical illusion onto low-height obstacles can increase foot clearance, and its use on the floor section of a double-glazing door frame for example may reduce the incidence of tripping in the home.en_US
dc.language.isoenen_US
dc.relation.isreferencedbyhttp://dx.doi.org/10.1080/00140139.2015.1105304en_US
dc.rights© 2015 Taylor & Francis. This is an Author's Original Manuscript of an article published by Taylor & Francis in Ergonomics in 2015, available online at http://www.tandfonline.com/10.1080/00140139.2015.1105304en_US
dc.subjectTripping, Obstacle crossing, Horizontal-vertical illusion, Toe clearance, Door-frameen_US
dc.titleThe addition of stripes (a version of the ‘horizontal-vertical illusion’) increases foot clearance when crossing low-height obstaclesen_US
dc.status.refereedyesen_US
dc.date.Accepted2015-10-01
dc.date.application2015-11-17
dc.typeArticleen_US
dc.type.versionAccepted Manuscripten_US
refterms.dateFOA2018-07-25T12:59:57Z


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