Handle diameter and the influence on the ergonomics of crutches

Detalhes bibliográficos
Autor(a) principal: Da Silva Bertolaccini, Guilherme [UNESP]
Data de Publicação: 2017
Outros Autores: Vasquez, Melissa Marin [UNESP], Bianchi, Ana Carolina [UNESP], Sandes, Frode Eika, Paschoarelli, Luis Carlos [UNESP], Medola, Fausto Orsi [UNESP]
Tipo de documento: Artigo de conferência
Idioma: eng
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://hdl.handle.net/11449/175894
Resumo: The research in the field of ergonomics can contribute to the design process of Assistive Technologies using objective and subjective data measurements. The auxiliary crutches are assistive devices commonly used in the process of rehabilitation after lower-extremity injuries. However, for many subjects, walking with crutches in not an easy and comfortable task, as the loads on the upper limbs are substantial and expose the users to potentially harmful long-term effects. In this way, the objective of this study was, first, to report the evaluation of the user-crutch interface by using an objective measurement of the subjects’ muscular activity and exertion perception, and to discuss how objective data measured from the subjects can contribute for the design of the interface. Eleven able-bodied subjects participated. The test protocol consisted of 3 trials of walking with crutches, each one with a different hand diameter, namely 20 mm, 32 mm and 40 mm. Surface electromyography of forearms muscles was collected, and perceived exertion was measured using the Borg’s Scale. The mean of maximum EMG values showed that the highest values activity happened in the extensor digitorum muscle using the largest handles. However, the smallest handles increase electromyography activity in the flexor digitorum superficialis muscle. Statistically significant difference was found between the smaller and the larger handle diameter. The analysis of exertion perception did not show statistical difference in any of the situations investigated. Handle diameter was shown to be a factor affecting the biomechanics of the walking with crutches. In addition, ergonomic evaluation can provide objective measurements that, ultimately, May be applied in the improvement of user-product interface.
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spelling Handle diameter and the influence on the ergonomics of crutchesAxillary crutchesElectromyographyExertion perceptionHandle designWalkingThe research in the field of ergonomics can contribute to the design process of Assistive Technologies using objective and subjective data measurements. The auxiliary crutches are assistive devices commonly used in the process of rehabilitation after lower-extremity injuries. However, for many subjects, walking with crutches in not an easy and comfortable task, as the loads on the upper limbs are substantial and expose the users to potentially harmful long-term effects. In this way, the objective of this study was, first, to report the evaluation of the user-crutch interface by using an objective measurement of the subjects’ muscular activity and exertion perception, and to discuss how objective data measured from the subjects can contribute for the design of the interface. Eleven able-bodied subjects participated. The test protocol consisted of 3 trials of walking with crutches, each one with a different hand diameter, namely 20 mm, 32 mm and 40 mm. Surface electromyography of forearms muscles was collected, and perceived exertion was measured using the Borg’s Scale. The mean of maximum EMG values showed that the highest values activity happened in the extensor digitorum muscle using the largest handles. However, the smallest handles increase electromyography activity in the flexor digitorum superficialis muscle. Statistically significant difference was found between the smaller and the larger handle diameter. The analysis of exertion perception did not show statistical difference in any of the situations investigated. Handle diameter was shown to be a factor affecting the biomechanics of the walking with crutches. In addition, ergonomic evaluation can provide objective measurements that, ultimately, May be applied in the improvement of user-product interface.Graduate Programme in Design UNESP - Univ. Estadual PaulistaDepartment of Computer Science Faculty of Technology Art and DesignAkershus University College of Applied SciencesGraduate Programme in Design UNESP - Univ. Estadual PaulistaUniversidade Estadual Paulista (Unesp)Art and DesignCollege of Applied SciencesDa Silva Bertolaccini, Guilherme [UNESP]Vasquez, Melissa Marin [UNESP]Bianchi, Ana Carolina [UNESP]Sandes, Frode EikaPaschoarelli, Luis Carlos [UNESP]Medola, Fausto Orsi [UNESP]2018-12-11T17:18:02Z2018-12-11T17:18:02Z2017-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/conferenceObject631-636Proceedings of the 19th International Conference on Engineering and Product Design Education: Building Community: Design Education for a Sustainable Future, E and PDE 2017, p. 631-636.http://hdl.handle.net/11449/1758942-s2.0-850421161848521603444193259Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengProceedings of the 19th International Conference on Engineering and Product Design Education: Building Community: Design Education for a Sustainable Future, E and PDE 2017info:eu-repo/semantics/openAccess2024-04-17T18:29:11Zoai:repositorio.unesp.br:11449/175894Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T15:39:53.755872Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Handle diameter and the influence on the ergonomics of crutches
title Handle diameter and the influence on the ergonomics of crutches
spellingShingle Handle diameter and the influence on the ergonomics of crutches
Da Silva Bertolaccini, Guilherme [UNESP]
Axillary crutches
Electromyography
Exertion perception
Handle design
Walking
title_short Handle diameter and the influence on the ergonomics of crutches
title_full Handle diameter and the influence on the ergonomics of crutches
title_fullStr Handle diameter and the influence on the ergonomics of crutches
title_full_unstemmed Handle diameter and the influence on the ergonomics of crutches
title_sort Handle diameter and the influence on the ergonomics of crutches
author Da Silva Bertolaccini, Guilherme [UNESP]
author_facet Da Silva Bertolaccini, Guilherme [UNESP]
Vasquez, Melissa Marin [UNESP]
Bianchi, Ana Carolina [UNESP]
Sandes, Frode Eika
Paschoarelli, Luis Carlos [UNESP]
Medola, Fausto Orsi [UNESP]
author_role author
author2 Vasquez, Melissa Marin [UNESP]
Bianchi, Ana Carolina [UNESP]
Sandes, Frode Eika
Paschoarelli, Luis Carlos [UNESP]
Medola, Fausto Orsi [UNESP]
author2_role author
author
author
author
author
dc.contributor.none.fl_str_mv Universidade Estadual Paulista (Unesp)
Art and Design
College of Applied Sciences
dc.contributor.author.fl_str_mv Da Silva Bertolaccini, Guilherme [UNESP]
Vasquez, Melissa Marin [UNESP]
Bianchi, Ana Carolina [UNESP]
Sandes, Frode Eika
Paschoarelli, Luis Carlos [UNESP]
Medola, Fausto Orsi [UNESP]
dc.subject.por.fl_str_mv Axillary crutches
Electromyography
Exertion perception
Handle design
Walking
topic Axillary crutches
Electromyography
Exertion perception
Handle design
Walking
description The research in the field of ergonomics can contribute to the design process of Assistive Technologies using objective and subjective data measurements. The auxiliary crutches are assistive devices commonly used in the process of rehabilitation after lower-extremity injuries. However, for many subjects, walking with crutches in not an easy and comfortable task, as the loads on the upper limbs are substantial and expose the users to potentially harmful long-term effects. In this way, the objective of this study was, first, to report the evaluation of the user-crutch interface by using an objective measurement of the subjects’ muscular activity and exertion perception, and to discuss how objective data measured from the subjects can contribute for the design of the interface. Eleven able-bodied subjects participated. The test protocol consisted of 3 trials of walking with crutches, each one with a different hand diameter, namely 20 mm, 32 mm and 40 mm. Surface electromyography of forearms muscles was collected, and perceived exertion was measured using the Borg’s Scale. The mean of maximum EMG values showed that the highest values activity happened in the extensor digitorum muscle using the largest handles. However, the smallest handles increase electromyography activity in the flexor digitorum superficialis muscle. Statistically significant difference was found between the smaller and the larger handle diameter. The analysis of exertion perception did not show statistical difference in any of the situations investigated. Handle diameter was shown to be a factor affecting the biomechanics of the walking with crutches. In addition, ergonomic evaluation can provide objective measurements that, ultimately, May be applied in the improvement of user-product interface.
publishDate 2017
dc.date.none.fl_str_mv 2017-01-01
2018-12-11T17:18:02Z
2018-12-11T17:18:02Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/conferenceObject
format conferenceObject
status_str publishedVersion
dc.identifier.uri.fl_str_mv Proceedings of the 19th International Conference on Engineering and Product Design Education: Building Community: Design Education for a Sustainable Future, E and PDE 2017, p. 631-636.
http://hdl.handle.net/11449/175894
2-s2.0-85042116184
8521603444193259
identifier_str_mv Proceedings of the 19th International Conference on Engineering and Product Design Education: Building Community: Design Education for a Sustainable Future, E and PDE 2017, p. 631-636.
2-s2.0-85042116184
8521603444193259
url http://hdl.handle.net/11449/175894
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Proceedings of the 19th International Conference on Engineering and Product Design Education: Building Community: Design Education for a Sustainable Future, E and PDE 2017
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 631-636
dc.source.none.fl_str_mv Scopus
reponame:Repositório Institucional da UNESP
instname:Universidade Estadual Paulista (UNESP)
instacron:UNESP
instname_str Universidade Estadual Paulista (UNESP)
instacron_str UNESP
institution UNESP
reponame_str Repositório Institucional da UNESP
collection Repositório Institucional da UNESP
repository.name.fl_str_mv Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)
repository.mail.fl_str_mv
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