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Conference Paper: Indirect biomechanics measurement on shoulder joint moments of walker-assisted gait

TitleIndirect biomechanics measurement on shoulder joint moments of walker-assisted gait
Authors
Issue Date2009
PublisherIEEE
Citation
2009 IEEE International Conference on Virtual Environments, Human-Computer Interfaces and Measurements Systems, Hong Kong,11-13 May 2009, p. 323-326 How to Cite?
AbstractThe walker is a fundamental rehabilitation device and provides patient external mechanical support. A new measurement and analysis method was proposed to investigate the changes in shoulder joint moments that occur with the use of a front-wheeled walker. A strain gauge-based walker instrumentation system was developed to monitor the hand loads during walker-assisted walking and integrated with an upper extremity biomechanical model. Preliminary system data were collected for twelve subjects following informed consent. Bilateral upper extremity kinematic data were acquired with a six-camera motion analysis system. Internal joint moments at the shoulder were determined in the three clinical planes using the inverse dynamics method. Results showed that during a walker-assisted gait shoulder joint moments mainly distributed in the walker stance period. There was a noted demand on the shoulder adductor in the coronal plane with the greatest record as 0.431 Nldrm/kgldrm. An interesting ldquobare phaserdquo of mean shoulder joint moments was also found in phase angle [-240deg, 340deg] of gait cycle. Complete description of shoulder joint moments of walker-assisted gait may provide insight into walker use parameters and rehabilitative strategies.
Persistent Identifierhttp://hdl.handle.net/10722/62527
ISBN
ISSN

 

DC FieldValueLanguage
dc.contributor.authorMing, Den_HK
dc.contributor.authorLiu, Xen_HK
dc.contributor.authorDai, Yen_HK
dc.contributor.authorWan, Ben_HK
dc.contributor.authorHu, Yen_HK
dc.contributor.authorLuk, KDKen_HK
dc.date.accessioned2010-07-13T04:03:16Z-
dc.date.available2010-07-13T04:03:16Z-
dc.date.issued2009en_HK
dc.identifier.citation2009 IEEE International Conference on Virtual Environments, Human-Computer Interfaces and Measurements Systems, Hong Kong,11-13 May 2009, p. 323-326en_HK
dc.identifier.isbn978-1-4244-3808-2-
dc.identifier.issn1944-9410-
dc.identifier.urihttp://hdl.handle.net/10722/62527-
dc.description.abstractThe walker is a fundamental rehabilitation device and provides patient external mechanical support. A new measurement and analysis method was proposed to investigate the changes in shoulder joint moments that occur with the use of a front-wheeled walker. A strain gauge-based walker instrumentation system was developed to monitor the hand loads during walker-assisted walking and integrated with an upper extremity biomechanical model. Preliminary system data were collected for twelve subjects following informed consent. Bilateral upper extremity kinematic data were acquired with a six-camera motion analysis system. Internal joint moments at the shoulder were determined in the three clinical planes using the inverse dynamics method. Results showed that during a walker-assisted gait shoulder joint moments mainly distributed in the walker stance period. There was a noted demand on the shoulder adductor in the coronal plane with the greatest record as 0.431 Nldrm/kgldrm. An interesting ldquobare phaserdquo of mean shoulder joint moments was also found in phase angle [-240deg, 340deg] of gait cycle. Complete description of shoulder joint moments of walker-assisted gait may provide insight into walker use parameters and rehabilitative strategies.-
dc.languageengen_HK
dc.publisherIEEE-
dc.relation.ispartofIEEE International Conference on Virtual Environments, Human-Computer Interfaces and Measurements Systems-
dc.titleIndirect biomechanics measurement on shoulder joint moments of walker-assisted gaiten_HK
dc.typeConference_Paperen_HK
dc.identifier.emailHu, Y: yhud@HKUCC.hku.hken_HK
dc.identifier.emailLuk, KDK: hrmoldk@hkucc.hku.hken_HK
dc.identifier.authorityHu, Y=rp00432en_HK
dc.identifier.authorityLuk, KDK=rp00333en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1109/VECIMS.2009.5068917-
dc.identifier.hkuros159880en_HK

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