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Circumferential tissue compression at the lower limb during walking, and its effect on discomfort, pain and tissue oxygenation: application to soft exoskeleton design

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dc.contributor.author Kermavnar, Tjaša
dc.contributor.author O'Sullivan, Kevin Jeremiah
dc.contributor.author Casey, Vincent
dc.contributor.author de Eyto, Adam
dc.contributor.author O'Sullivan, Leonard
dc.date.accessioned 2020-04-23T09:10:01Z
dc.date.issued 2020
dc.identifier.issn 0003-6870
dc.identifier.uri http://hdl.handle.net/10344/8755
dc.description peer-reviewed en_US
dc.description The full text of this article will not be available in ULIR until the embargo expires on the 28/03/2022
dc.description.abstract Soft exoskeletons apply compressive forces at the limbs via connection cuffs to actuate movement or stabilise joints. To avoid excessive mechanical loading, the interface with the wearer's body needs to be carefully designed. The purpose of this study was to establish the magnitude of circumferential compression at the lower limb during walking that causes discomfort/pain. It was hypothesized that the thresholds differ from those during standing. A cohort of 21 healthy participants were tested using two sizes of pneumatic cuffs, inflated at the thigh and calf in a tonic or phasic manner. The results showed lower inflation pressures triggering discomfort/pain at the thigh, with tonic compression, and wider pneumatic cuffs. The thresholds were lower during walking than standing still. Deep tissue oxygenation increased during phasic compression and decreased during tonic compression. According to the findings, circumferential compression by soft exoskeletons is preferably applied at anatomical sites with smaller volumes of soft tissue, using narrow connection cuffs and inflation pressures below 14 kPa. en_US
dc.language.iso eng en_US
dc.publisher Elsevier en_US
dc.relation 688175 en_US
dc.relation.ispartofseries Applied Ergonomics;86, 103093
dc.relation.uri https://doi.org/10.1016/j.apergo.2020.103093
dc.rights This is the author’s version of a work that was accepted for publication in Applied Ergonomics. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Applied Ergonomics, 86, 103093,https://doi.org/10.1016/j.apergo.2020.103093 en_US
dc.subject Mechanical soft tissue loading en_US
dc.subject Soft exoskeleton-human interaction en_US
dc.subject Walking en_US
dc.title Circumferential tissue compression at the lower limb during walking, and its effect on discomfort, pain and tissue oxygenation: application to soft exoskeleton design en_US
dc.type info:eu-repo/semantics/article en_US
dc.type.supercollection all_ul_research en_US
dc.type.supercollection ul_published_reviewed en_US
dc.date.updated 2020-04-23T08:53:04Z
dc.identifier.doi 10.1016/j.apergo.2020.103093
dc.contributor.sponsor ERC en_US
dc.relation.projectid 688175 en_US
dc.date.embargoEndDate 2022-03-28
dc.embargo.terms 2022-03-28 en_US
dc.rights.accessrights info:eu-repo/semantics/embargoedAccess en_US
dc.internal.rssid 2949176
dc.internal.copyrightchecked Yes
dc.identifier.journaltitle Applied Ergonomics
dc.description.status peer-reviewed


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