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Ankle Foot Orthosis (AFO) stiffness design for mitigation of ankle inversion injury

2019-04-15Documento de conferência Acesso aberto
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dc.contributor.authorTeixeira, D.
dc.contributor.authorMilho, J.
dc.contributor.authorCarvalho, Marta
dc.contributor.authorLoja, M. A. R.
dc.contributor.institutionUNIDEMI - Unidade de Investigação e Desenvolvimento em Engenharia Mecânica e Industrial
dc.date.accessioned2020-06-24T22:46:26Z
dc.date.available2020-06-24T22:46:26Z
dc.date.issued2019-04-15
dc.descriptionFoundation for Science and Technology (FCT), through IDMEC, under LAETA [project number UID/EMS/50022/2019]. UNIDEMI [project number UID/EMS/00667/2019].
dc.description.abstractModelling and simulation of human movement has the potential to improve the design of medical devices and rehabilitation process by enabling the identification of cause-effect relationships in individuals suffering from neurological and musculoskeletal issues. The main goal of this work was to provide a simulation-based stiffness design for an Ankle Foot Orthosis (AFO) that can help to mitigate the risk of a sprain by ankle inversion during the landing in freefall which is known to occur for subtalar angles higher than 25 degrees. Computational simulations were performed using human movement models with and without a passive AFO, to access the AFO sensitivity for the translational stiffness that prevents the cuff from translating with respect to the footplate. The Design of Experiments (DoE) methodology was used to access sensitivities between the three principal directions of the AFO stiffness. Results revealed that the ankle inversion angle was less than 25 degrees when increasingly larger values of translational stiffness were used, although a nonlinear behaviour was observed between the three principal directions of the AFO stiffness, for which injury safe design configurations were obtained.en
dc.description.versionauthorsversion
dc.description.versionpublished
dc.format.extent333625
dc.identifier.doi10.1109/ENBENG.2019.8692490
dc.identifier.isbn9781538685068
dc.identifier.otherPURE: 13700507
dc.identifier.otherPURE UUID: 8537218c-07dc-4c4b-970b-9bc33ef78680
dc.identifier.otherScopus: 85065463737
dc.identifier.urihttp://hdl.handle.net/10362/99862
dc.identifier.urlhttps://www.scopus.com/pages/publications/85065463737
dc.language.isoeng
dc.peerreviewedyes
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)
dc.subjectBioengineering
dc.titleAnkle Foot Orthosis (AFO) stiffness design for mitigation of ankle inversion injuryen
dc.typeconference object
degois.publication.title6th IEEE Portuguese Meeting on Bioengineering, ENBENG 2019 - Proceedings
degois.publication.title6th IEEE Portuguese Meeting on Bioengineering, ENBENG 2019
dspace.entity.typePublication
rcaap.rightsopenAccess

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