Controlling posture during grasping with different optical flow conditions

Detalhes bibliográficos
Autor(a) principal: Rodrigues, Sérgio Tosi
Data de Publicação: 2015
Outros Autores: Bertoloni, Gisele Cristina, Moraes, Renato, Barela, Ana Maria Forti, Savelsbergh, Geert, Barela, José Angelo
Tipo de documento: Capítulo de livro
Idioma: eng
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://hdl.handle.net/11449/220551
Resumo: Many environmental aspects such as the optical flow and one's own movement can affect posture stabilization. However, little is known about how these two features can be combined as participants maintain upright stance during grasping actions. Therefore, the purpose of this study was to examine the effects of moving room discrete movements (approaching to or moving back from participants) combined with grasping an object on postural control stability. Twelve participants stood upright inside a moving room, moved discretely approaching or moving away from the participants, as they had to remain still or grasping a stationary or an approaching ball. Body displacement and correlation coefficient values were obtained during the movement of the moving room and mean sway amplitude were used to infer postural stability before and after room's movement. Results indicated that grasping and movement of the moving room disrupted and induced body sway, even after the grasping action, however in those conditions in which optical flow was created, due to the moving room and moving ball, postural sway was less pronounced. Based upon these results, we can suggest that in those conditions that structured optical flow is available, even when posture might be destabilized due to one's own movement, postural control takes advantage of the optical flow to maintain postural equilibrium.
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spelling Controlling posture during grasping with different optical flow conditionsGraspingMoving roomOptical flowPostureMany environmental aspects such as the optical flow and one's own movement can affect posture stabilization. However, little is known about how these two features can be combined as participants maintain upright stance during grasping actions. Therefore, the purpose of this study was to examine the effects of moving room discrete movements (approaching to or moving back from participants) combined with grasping an object on postural control stability. Twelve participants stood upright inside a moving room, moved discretely approaching or moving away from the participants, as they had to remain still or grasping a stationary or an approaching ball. Body displacement and correlation coefficient values were obtained during the movement of the moving room and mean sway amplitude were used to infer postural stability before and after room's movement. Results indicated that grasping and movement of the moving room disrupted and induced body sway, even after the grasping action, however in those conditions in which optical flow was created, due to the moving room and moving ball, postural sway was less pronounced. Based upon these results, we can suggest that in those conditions that structured optical flow is available, even when posture might be destabilized due to one's own movement, postural control takes advantage of the optical flow to maintain postural equilibrium.State University of São PauloUniversity of São PauloCruzeiro do Sul UniversityResearch Institute Move VU UniversityDepartment of Physical Education State University of São PauloUniversidade de São Paulo (USP)Cruzeiro do Sul UniversityResearch Institute Move VU UniversityRodrigues, Sérgio TosiBertoloni, Gisele CristinaMoraes, RenatoBarela, Ana Maria FortiSavelsbergh, GeertBarela, José Angelo2022-04-28T19:02:32Z2022-04-28T19:02:32Z2015-04-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/bookPart157-170Advances in Visual Perception Research, p. 157-170.http://hdl.handle.net/11449/2205512-s2.0-84956733232Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengAdvances in Visual Perception Researchinfo:eu-repo/semantics/openAccess2022-04-28T19:02:32Zoai:repositorio.unesp.br:11449/220551Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T16:08:04.275513Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Controlling posture during grasping with different optical flow conditions
title Controlling posture during grasping with different optical flow conditions
spellingShingle Controlling posture during grasping with different optical flow conditions
Rodrigues, Sérgio Tosi
Grasping
Moving room
Optical flow
Posture
title_short Controlling posture during grasping with different optical flow conditions
title_full Controlling posture during grasping with different optical flow conditions
title_fullStr Controlling posture during grasping with different optical flow conditions
title_full_unstemmed Controlling posture during grasping with different optical flow conditions
title_sort Controlling posture during grasping with different optical flow conditions
author Rodrigues, Sérgio Tosi
author_facet Rodrigues, Sérgio Tosi
Bertoloni, Gisele Cristina
Moraes, Renato
Barela, Ana Maria Forti
Savelsbergh, Geert
Barela, José Angelo
author_role author
author2 Bertoloni, Gisele Cristina
Moraes, Renato
Barela, Ana Maria Forti
Savelsbergh, Geert
Barela, José Angelo
author2_role author
author
author
author
author
dc.contributor.none.fl_str_mv Universidade de São Paulo (USP)
Cruzeiro do Sul University
Research Institute Move VU University
dc.contributor.author.fl_str_mv Rodrigues, Sérgio Tosi
Bertoloni, Gisele Cristina
Moraes, Renato
Barela, Ana Maria Forti
Savelsbergh, Geert
Barela, José Angelo
dc.subject.por.fl_str_mv Grasping
Moving room
Optical flow
Posture
topic Grasping
Moving room
Optical flow
Posture
description Many environmental aspects such as the optical flow and one's own movement can affect posture stabilization. However, little is known about how these two features can be combined as participants maintain upright stance during grasping actions. Therefore, the purpose of this study was to examine the effects of moving room discrete movements (approaching to or moving back from participants) combined with grasping an object on postural control stability. Twelve participants stood upright inside a moving room, moved discretely approaching or moving away from the participants, as they had to remain still or grasping a stationary or an approaching ball. Body displacement and correlation coefficient values were obtained during the movement of the moving room and mean sway amplitude were used to infer postural stability before and after room's movement. Results indicated that grasping and movement of the moving room disrupted and induced body sway, even after the grasping action, however in those conditions in which optical flow was created, due to the moving room and moving ball, postural sway was less pronounced. Based upon these results, we can suggest that in those conditions that structured optical flow is available, even when posture might be destabilized due to one's own movement, postural control takes advantage of the optical flow to maintain postural equilibrium.
publishDate 2015
dc.date.none.fl_str_mv 2015-04-01
2022-04-28T19:02:32Z
2022-04-28T19:02:32Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/bookPart
format bookPart
status_str publishedVersion
dc.identifier.uri.fl_str_mv Advances in Visual Perception Research, p. 157-170.
http://hdl.handle.net/11449/220551
2-s2.0-84956733232
identifier_str_mv Advances in Visual Perception Research, p. 157-170.
2-s2.0-84956733232
url http://hdl.handle.net/11449/220551
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Advances in Visual Perception Research
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 157-170
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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