{"id":"https://openalex.org/W2107986675","doi":"https://doi.org/10.1109/10.605423","title":"Multivariate analysis of muscular fatigue during bicycle ergometer exercise","display_name":"Multivariate analysis of muscular fatigue during bicycle ergometer exercise","publication_year":1997,"publication_date":"1997-01-01","ids":{"openalex":"https://openalex.org/W2107986675","doi":"https://doi.org/10.1109/10.605423","mag":"2107986675","pmid":"https://pubmed.ncbi.nlm.nih.gov/9254980"},"language":"en","primary_location":{"id":"doi:10.1109/10.605423","doi":"https://doi.org/10.1109/10.605423","is_oa":false,"landing_page_url":"https://doi.org/10.1109/10.605423","pdf_url":null,"source":{"id":"https://openalex.org/S5240358","display_name":"IEEE Transactions on Biomedical Engineering","issn_l":"0018-9294","issn":["0018-9294","1558-2531"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-2","ki-jl-1","medline","norway-1","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Biomedical Engineering","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5110697595","display_name":"Takuya Kiryu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I71395657","display_name":"Niigata University","ror":"https://ror.org/04ww21r56","country_code":"JP","type":"education","lineage":["https://openalex.org/I71395657"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"T. Kiryu","raw_affiliation_strings":["Graduate School of Science and Technology, Niigata University, Ikarashi-2nocho, Japan. kiryu@info.eng.niigata-u.ac.jp","Graduate School of Science and Technology, Niigata University, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Science and Technology, Niigata University, Ikarashi-2nocho, Japan. kiryu@info.eng.niigata-u.ac.jp","institution_ids":["https://openalex.org/I71395657"]},{"raw_affiliation_string":"Graduate School of Science and Technology, Niigata University, Japan","institution_ids":["https://openalex.org/I71395657"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109451284","display_name":"Kouki Takahashi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I71395657","display_name":"Niigata University","ror":"https://ror.org/04ww21r56","country_code":"JP","type":"education","lineage":["https://openalex.org/I71395657"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"K. Takahashi","raw_affiliation_strings":["Graduate School of Science and Technology, Niigata University, Niigata, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Science and Technology, Niigata University, Niigata, Japan","institution_ids":["https://openalex.org/I71395657"]}]},{"author_position":"last","author":{"id":null,"display_name":"K. Ogawa","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I71395657","display_name":"Niigata University","ror":"https://ror.org/04ww21r56","country_code":"JP","type":"education","lineage":["https://openalex.org/I71395657"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"K. Ogawa","raw_affiliation_strings":["Graduate School of Science and Technology, Niigata University, Niigata, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Science and Technology, Niigata University, Niigata, Japan","institution_ids":["https://openalex.org/I71395657"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I71395657"],"apc_list":{"value":2645,"currency":"USD","value_usd":2645},"apc_paid":null,"fwci":0.3271,"has_fulltext":false,"cited_by_count":26,"citation_normalized_percentile":{"value":0.53370072,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":97},"biblio":{"volume":"44","issue":"8","first_page":"665","last_page":"672"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10784","display_name":"Muscle activation and electromyography studies","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10784","display_name":"Muscle activation and electromyography studies","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11209","display_name":"Cardiovascular and exercise physiology","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2737","display_name":"Physiology (medical)"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10157","display_name":"Sports Performance and Training","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2732","display_name":"Orthopedics and Sports Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/muscle-fatigue","display_name":"muscle fatigue","score":0.9769999980926514},{"id":"https://openalex.org/keywords/cycle-ergometry","display_name":"cycle ergometry","score":0.9490000009536743},{"id":"https://openalex.org/keywords/myoelectric-signals","display_name":"myoelectric signals","score":0.8809999823570251},{"id":"https://openalex.org/keywords/surface-electromyography","display_name":"surface electromyography","score":0.8519999980926514},{"id":"https://openalex.org/keywords/principal-component-analysis","display_name":"principal component analysis","score":0.8989999890327454},{"id":"https://openalex.org/keywords/fatigue-detection","display_name":"fatigue detection","score":0.4309999942779541},{"id":"https://openalex.org/keywords/workload","display_name":"workload","score":0.5709999799728394},{"id":"https://openalex.org/keywords/multi-channel-emg","display_name":"multi-channel EMG","score":0.6190000176429749}],"concepts":[{"id":"https://openalex.org/C27438332","wikidata":"https://www.wikidata.org/wiki/Q2873","display_name":"Principal component analysis","level":2,"score":0.7797502279281616},{"id":"https://openalex.org/C2908940075","wikidata":"https://www.wikidata.org/wiki/Q6940317","display_name":"Muscular fatigue","level":2,"score":0.752531886100769},{"id":"https://openalex.org/C2776874296","wikidata":"https://www.wikidata.org/wiki/Q6940317","display_name":"Muscle fatigue","level":3,"score":0.6761556267738342},{"id":"https://openalex.org/C2777515770","wikidata":"https://www.wikidata.org/wiki/Q507369","display_name":"Electromyography","level":2,"score":0.6064249277114868},{"id":"https://openalex.org/C99508421","wikidata":"https://www.wikidata.org/wiki/Q2678675","display_name":"Physical medicine and rehabilitation","level":1,"score":0.6046047806739807},{"id":"https://openalex.org/C18762648","wikidata":"https://www.wikidata.org/wiki/Q42213","display_name":"Work (physics)","level":2,"score":0.5018646717071533},{"id":"https://openalex.org/C3018916160","wikidata":"https://www.wikidata.org/wiki/Q1370818","display_name":"Bicycle ergometer","level":4,"score":0.48104622960090637},{"id":"https://openalex.org/C161584116","wikidata":"https://www.wikidata.org/wiki/Q1952580","display_name":"Multivariate statistics","level":2,"score":0.4583451449871063},{"id":"https://openalex.org/C1862650","wikidata":"https://www.wikidata.org/wiki/Q186005","display_name":"Physical therapy","level":1,"score":0.3719211220741272},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3675006031990051},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3668043613433838},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3440118134021759},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.3051777780056},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.28758102655410767},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.2114047408103943},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1851014792919159},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.17586266994476318},{"id":"https://openalex.org/C84393581","wikidata":"https://www.wikidata.org/wiki/Q82642","display_name":"Blood pressure","level":2,"score":0.0926373302936554},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C2777953023","wikidata":"https://www.wikidata.org/wiki/Q1073121","display_name":"Heart rate","level":3,"score":0.0}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004576","descriptor_name":"Electromyography","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D005080","descriptor_name":"Exercise Test","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D005221","descriptor_name":"Fatigue","qualifier_ui":"Q000503","qualifier_name":"physiopathology","is_major_topic":true},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012016","descriptor_name":"Reference Values","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015999","descriptor_name":"Multivariate Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D018482","descriptor_name":"Muscle, Skeletal","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1109/10.605423","doi":"https://doi.org/10.1109/10.605423","is_oa":false,"landing_page_url":"https://doi.org/10.1109/10.605423","pdf_url":null,"source":{"id":"https://openalex.org/S5240358","display_name":"IEEE Transactions on Biomedical Engineering","issn_l":"0018-9294","issn":["0018-9294","1558-2531"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-2","ki-jl-1","medline","norway-1","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Biomedical Engineering","raw_type":"journal-article"},{"id":"pmid:9254980","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/9254980","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE transactions on bio-medical engineering","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3","score":0.8371999859809875}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":40,"referenced_works":["https://openalex.org/W1672819356","https://openalex.org/W1852551756","https://openalex.org/W1881473795","https://openalex.org/W1909222666","https://openalex.org/W1924431064","https://openalex.org/W1931153232","https://openalex.org/W1969470252","https://openalex.org/W1971482907","https://openalex.org/W1976649948","https://openalex.org/W1980583037","https://openalex.org/W1994806176","https://openalex.org/W1997804949","https://openalex.org/W1997896389","https://openalex.org/W2010491008","https://openalex.org/W2015961049","https://openalex.org/W2017745176","https://openalex.org/W2018742520","https://openalex.org/W2026596443","https://openalex.org/W2028349188","https://openalex.org/W2032363006","https://openalex.org/W2032788520","https://openalex.org/W2036753486","https://openalex.org/W2050525613","https://openalex.org/W2076919973","https://openalex.org/W2082836430","https://openalex.org/W2083560507","https://openalex.org/W2092856864","https://openalex.org/W2125646886","https://openalex.org/W2132481753","https://openalex.org/W2137591051","https://openalex.org/W2143991368","https://openalex.org/W2168779154","https://openalex.org/W2269116847","https://openalex.org/W2293585160","https://openalex.org/W2330079028","https://openalex.org/W2411282331","https://openalex.org/W2413174397","https://openalex.org/W2561380899","https://openalex.org/W3029430020","https://openalex.org/W4292024674"],"related_works":["https://openalex.org/W2114931352","https://openalex.org/W2462966201","https://openalex.org/W1985385588","https://openalex.org/W2093789620","https://openalex.org/W2808012785","https://openalex.org/W2960090940","https://openalex.org/W1979762850","https://openalex.org/W2152607052","https://openalex.org/W2773711903","https://openalex.org/W2416020897"],"abstract_inverted_index":{"The":[0,20,125,153],"purpose":[1],"of":[2,13,34,43,49,55,66,82,119,132,138,149],"this":[3],"study":[4],"is":[5],"to":[6,22,59,72,98,113],"estimate":[7],"the":[8,31,39,61,64,73,79,93,100,130,136,139,143,150,156],"endurance":[9],"threshold":[10],"in":[11],"terms":[12],"muscular":[14,89,115],"fatigue":[15,116],"during":[16],"bicycle":[17],"ergometer":[18],"exercise.":[19],"problems":[21],"be":[23],"solved":[24],"are":[25],"induced":[26],"by":[27,63,103,172],"dynamic":[28],"movement":[29,65],"and":[30,41,142],"physiological":[32],"variation":[33],"muscle":[35,44,120],"activity:":[36],"that":[37],"is,":[38],"progression":[40,118],"impairment":[42],"activity":[45],"occur":[46],"simultaneously.":[47],"First":[48],"all,":[50],"we":[51,91,107],"used":[52,92],"multichannel":[53],"recordings":[54],"myoelectric":[56],"(ME)":[57],"signals":[58],"reduce":[60],"effect":[62],"a":[67,109,123,147,173],"bipolar":[68],"surface":[69],"electrode":[70],"relative":[71],"innervation":[74],"zones.":[75],"Second,":[76],"since":[77],"even":[78],"different":[80],"types":[81],"ME":[83,175],"parameters":[84],"contain":[85],"redundant":[86],"information":[87,102],"on":[88],"fatigue,":[90],"principal":[94,134],"component":[95],"analysis":[96],"(PCA)":[97],"represent":[99],"meaningful":[101],"small":[104],"dimensions.":[105],"Moreover,":[106],"proposed":[108],"total":[110,126,157],"evaluation":[111,127,158],"pattern":[112,128,159],"discriminate":[114],"from":[117],"force":[121],"at":[122],"glance.":[124],"shows":[129],"proportion":[131],"first":[133,140],"component,":[135],"components":[137],"eigenvector,":[141],"correlation":[144],"coefficients":[145],"as":[146],"function":[148],"work":[151],"load.":[152],"assessment":[154],"using":[155],"divided":[160],"eight":[161],"subjects":[162,168],"into":[163],"three":[164],"groups,":[165],"whereas":[166],"these":[167],"were":[169],"not":[170],"identified":[171],"specific":[174],"parameter.":[176]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
