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Conference Paper: On the time-frequency analysis of trunk muscles during sudden release of load

TitleOn the time-frequency analysis of trunk muscles during sudden release of load
Authors
Issue Date2007
Citation
Proceedings - Ieee International Symposium On Circuits And Systems, 2007, p. 1309-1312 How to Cite?
AbstractThis paper studies the time-frequency analysis of trunk response based on surface electromyography (EMG) under an experimental protocol of sudden load release. Due to difficulties in feature extraction of surface EMG in short-time muscular reflex using conventional time-frequency analysis algorithms, a novel method called adaptive Lomb periodogram (ALP) is employed to improve the time and frequency resolutions by adaptively selecting the window sizes. Experimental results demonstrate the improved time-frequency resolution of the ALP in analyzing the EMG signals compared with conventional methods using scalogram. The findings of this study would provide important information in devising objective and quantitative protocol for neuromuscular function assessment, which are applicable to rehabilitation of low back pain patients, motor control and training, elderly fall prevention and ergonomic studies. © 2007 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/104219
ISSN
References

 

DC FieldValueLanguage
dc.contributor.authorTsui, KMen_HK
dc.contributor.authorZhang, Zen_HK
dc.contributor.authorChan, SCen_HK
dc.contributor.authorHu, Yen_HK
dc.contributor.authorLuk, KDKen_HK
dc.date.accessioned2010-09-25T21:43:59Z-
dc.date.available2010-09-25T21:43:59Z-
dc.date.issued2007en_HK
dc.identifier.citationProceedings - Ieee International Symposium On Circuits And Systems, 2007, p. 1309-1312en_HK
dc.identifier.issn0271-4310en_HK
dc.identifier.urihttp://hdl.handle.net/10722/104219-
dc.description.abstractThis paper studies the time-frequency analysis of trunk response based on surface electromyography (EMG) under an experimental protocol of sudden load release. Due to difficulties in feature extraction of surface EMG in short-time muscular reflex using conventional time-frequency analysis algorithms, a novel method called adaptive Lomb periodogram (ALP) is employed to improve the time and frequency resolutions by adaptively selecting the window sizes. Experimental results demonstrate the improved time-frequency resolution of the ALP in analyzing the EMG signals compared with conventional methods using scalogram. The findings of this study would provide important information in devising objective and quantitative protocol for neuromuscular function assessment, which are applicable to rehabilitation of low back pain patients, motor control and training, elderly fall prevention and ergonomic studies. © 2007 IEEE.en_HK
dc.languageengen_HK
dc.relation.ispartofProceedings - IEEE International Symposium on Circuits and Systemsen_HK
dc.titleOn the time-frequency analysis of trunk muscles during sudden release of loaden_HK
dc.typeConference_Paperen_HK
dc.identifier.emailTsui, KM:kmtsui@eee.hku.hken_HK
dc.identifier.emailZhang, Z:zgzhang@eee.hku.hken_HK
dc.identifier.emailChan, SC:scchan@eee.hku.hken_HK
dc.identifier.emailHu, Y:yhud@hku.hken_HK
dc.identifier.emailLuk, KDK:hcm21000@hku.hken_HK
dc.identifier.authorityTsui, KM=rp00181en_HK
dc.identifier.authorityZhang, Z=rp01565en_HK
dc.identifier.authorityChan, SC=rp00094en_HK
dc.identifier.authorityHu, Y=rp00432en_HK
dc.identifier.authorityLuk, KDK=rp00333en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-34548830204en_HK
dc.identifier.hkuros136995en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-34548830204&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.spage1309en_HK
dc.identifier.epage1312en_HK
dc.identifier.scopusauthoridTsui, KM=7101671591en_HK
dc.identifier.scopusauthoridZhang, Z=8597618700en_HK
dc.identifier.scopusauthoridChan, SC=13310287100en_HK
dc.identifier.scopusauthoridHu, Y=7407116091en_HK
dc.identifier.scopusauthoridLuk, KDK=7201921573en_HK

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