Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/1793
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dc.contributorDepartment of Health Technology and Informatics-
dc.creatorGuo, JY-
dc.creatorZheng, YP-
dc.creatorHuang, QH-
dc.creatorChen, X-
dc.date.accessioned2014-12-11T08:25:29Z-
dc.date.available2014-12-11T08:25:29Z-
dc.identifier.issn0748-7711-
dc.identifier.urihttp://hdl.handle.net/10397/1793-
dc.language.isoenen_US
dc.publisherU.S. Department of Veterans Affairs, Rehabilitation Research and Development Serviceen_US
dc.subjectElectromyographyen_US
dc.subjectEMGen_US
dc.subjectForearm musclesen_US
dc.subjectMechanomyographyen_US
dc.subjectMMGen_US
dc.subjectRehabilitationen_US
dc.subjectSkeletal musclesen_US
dc.subjectSMGen_US
dc.subjectSonomyographyen_US
dc.subjectUltrasounden_US
dc.subjectWrist extensionen_US
dc.titleDynamic monitoring of forearm muscles using one-dimensional sonomyography systemen_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.spage187-
dc.identifier.epage196-
dc.identifier.volume45-
dc.identifier.issue1-
dc.identifier.doi10.1682/JRRD.2007.02.0026-
dcterms.abstractWe introduce a method, known as one-dimensional sonomyography (1-D SMG), that uses A-mode ultrasound signals to detect dynamic thickness changes in skeletal muscle during contraction. We custom-designed a 1-D SMG system to collect synchronized A-mode ultrasound, joint angle, and surface electromyography (EMG) signals of forearm muscles during wrist extension. We extracted the 1-D SMG signal from the ultrasound signal by automatically tracking the corresponding echoes, which we then used to calculate muscle thickness changes. We tested the right forearm muscles of nine nondisabled young subjects while they performed wrist extensions at 15.0, 22.5, and 30.0 cycles/min and their largest wrist extension angle ranged from 80° to 90°. We found that the muscle deformation and EMG root mean square signals correlated linearly with wrist extension angle. The ratio of deformation to wrist angle was significantly different among the subjects (p <0.001) but not among the trials of different extension rates for each subject (p = 0.9). The results demonstrate that 1-D SMG can be reliably performed and that it has the potential for skeletal muscle assessment and prosthesis control.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationJournal of rehabilitation research and development, 2008, v. 45, no. 1, p. 187-196-
dcterms.isPartOfJournal of rehabilitation research and development-
dcterms.issued2008-
dc.identifier.isiWOS:000255133600017-
dc.identifier.scopus2-s2.0-49849083666-
dc.identifier.pmid18566937-
dc.identifier.rosgroupidr37101-
dc.description.ros2007-2008 > Academic research: refereed > Publication in refereed journal-
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberOA_IR/PIRAen_US
dc.description.pubStatusPublisheden_US
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