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Article: Measurement of upper extremity joint moments in walker-assisted gait

TitleMeasurement of upper extremity joint moments in walker-assisted gait
Authors
Issue Date2009
PublisherThe Institution of Engineering and Technology. The Journal's web site is located at http://www.ietdl.org/IP-SMT
Citation
IET Science, Measurement And Technology, 2009, v. 3 n. 5, p. 343-353 How to Cite?
AbstractAlthough walkers are commonly prescribed to improve user stability and ambulatory ability, quantitative study of the basic biomechanical and functional requirements for effective walker use is limited. To investigate the changes in upper extremity joint moments that occur with the use of a front-wheeled walker, a strain gauge-based walker instrumentation system was developed and integrated with an upper extremity biomechanical model for the load measurement. The designed system performance was testified via non-linearity validation, crosstalk test and force measurement accuracy check, which were found to be better than 2.90, 3.19 and 1.01, respectively. Preliminary system data were collected for 12 healthy, right-handed young adults following informed consent. Bilateral upper extremity kinematic data were acquired with a six-camera motion analysis system. Internal joint moments at the upper extremity were determined in the three clinical planes using the inverse dynamics method. Results showed that during a basic walker-assisted gait there were several typical demands occurring in walker stance period, including shoulder adductor in the coronal plane, elbow extensor in the sagittal plane and external rotator in the transverse plane. The greatest moment demands are recorded in the shoulder-coronal plane as 0.431Nm/kgm for the study group. Complete description of upper extremity joint moments during basic walker-assisted gait may provide insight into walker use parameters and rehabilitative strategies. © 2009 The Institution of Engineering and Technology.
Persistent Identifierhttp://hdl.handle.net/10722/125190
ISSN
2015 Impact Factor: 0.982
2015 SCImago Journal Rankings: 0.409
ISI Accession Number ID
Funding AgencyGrant Number
National Natural Science Foundation of China60501005
The National High Technology Research and Development Program of China2007AA04Z236
Biomedical Engineering Key Program07ZCKFSF01300
Intentional Cooperation Key Program08ZCGHHZ00300
Tianjin Science Technology
Funding Information:

The authors would like to acknowledge Gait-lab of Duchess of Kent Children's Hospital (Hong Kong SAR, China) and Prof. Leong JCY, Dr. Wong YW and Dr. Lu WWJ for their valuable contributions to this research. This research was partially supported by the National Natural Science Foundation of China (No. 60501005), The National High Technology Research and Development Program of China (No. 2007AA04Z236), Biomedical Engineering Key Program (No. 07ZCKFSF01300) and Intentional Cooperation Key Program (No. 08ZCGHHZ00300) of Tianjin Science Technology Support Plan.

References

 

DC FieldValueLanguage
dc.contributor.authorMing, Den_HK
dc.contributor.authorLiu, XYen_HK
dc.contributor.authorBai, YRen_HK
dc.contributor.authorZhang, GJen_HK
dc.contributor.authorCheng, LLen_HK
dc.contributor.authorQi, HZen_HK
dc.contributor.authorXue, ZJen_HK
dc.contributor.authorWan, BKen_HK
dc.contributor.authorHu, Yen_HK
dc.contributor.authorLi, LYen_HK
dc.contributor.authorLuk, KDKen_HK
dc.date.accessioned2010-10-31T11:16:34Z-
dc.date.available2010-10-31T11:16:34Z-
dc.date.issued2009en_HK
dc.identifier.citationIET Science, Measurement And Technology, 2009, v. 3 n. 5, p. 343-353en_HK
dc.identifier.issn1751-8822en_HK
dc.identifier.urihttp://hdl.handle.net/10722/125190-
dc.description.abstractAlthough walkers are commonly prescribed to improve user stability and ambulatory ability, quantitative study of the basic biomechanical and functional requirements for effective walker use is limited. To investigate the changes in upper extremity joint moments that occur with the use of a front-wheeled walker, a strain gauge-based walker instrumentation system was developed and integrated with an upper extremity biomechanical model for the load measurement. The designed system performance was testified via non-linearity validation, crosstalk test and force measurement accuracy check, which were found to be better than 2.90, 3.19 and 1.01, respectively. Preliminary system data were collected for 12 healthy, right-handed young adults following informed consent. Bilateral upper extremity kinematic data were acquired with a six-camera motion analysis system. Internal joint moments at the upper extremity were determined in the three clinical planes using the inverse dynamics method. Results showed that during a basic walker-assisted gait there were several typical demands occurring in walker stance period, including shoulder adductor in the coronal plane, elbow extensor in the sagittal plane and external rotator in the transverse plane. The greatest moment demands are recorded in the shoulder-coronal plane as 0.431Nm/kgm for the study group. Complete description of upper extremity joint moments during basic walker-assisted gait may provide insight into walker use parameters and rehabilitative strategies. © 2009 The Institution of Engineering and Technology.en_HK
dc.languageengen_HK
dc.publisherThe Institution of Engineering and Technology. The Journal's web site is located at http://www.ietdl.org/IP-SMTen_HK
dc.relation.ispartofIET Science, Measurement and Technologyen_HK
dc.titleMeasurement of upper extremity joint moments in walker-assisted gaiten_HK
dc.typeArticleen_HK
dc.identifier.emailHu, Y:yhud@hku.hken_HK
dc.identifier.emailLuk, KDK:hcm21000@hku.hken_HK
dc.identifier.authorityHu, Y=rp00432en_HK
dc.identifier.authorityLuk, KDK=rp00333en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1049/iet-smt.2008.0130en_HK
dc.identifier.scopuseid_2-s2.0-69849086680en_HK
dc.identifier.hkuros181285en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-69849086680&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume3en_HK
dc.identifier.issue5en_HK
dc.identifier.spage343en_HK
dc.identifier.epage353en_HK
dc.identifier.isiWOS:000269628000003-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridMing, D=9745824400en_HK
dc.identifier.scopusauthoridLiu, XY=35109400600en_HK
dc.identifier.scopusauthoridBai, YR=35108689200en_HK
dc.identifier.scopusauthoridZhang, GJ=35797736400en_HK
dc.identifier.scopusauthoridCheng, LL=7403337326en_HK
dc.identifier.scopusauthoridQi, HZ=7202348852en_HK
dc.identifier.scopusauthoridXue, ZJ=16178824200en_HK
dc.identifier.scopusauthoridWan, BK=7102316798en_HK
dc.identifier.scopusauthoridHu, Y=7407116091en_HK
dc.identifier.scopusauthoridLi, LY=27167844000en_HK
dc.identifier.scopusauthoridLuk, KDK=7201921573en_HK

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