{"id":"https://openalex.org/W2441855032","doi":"https://doi.org/10.3390/e18060229","title":"Investigating Aging-Related Changes in the Coordination of Agonist and Antagonist Muscles Using Fuzzy Entropy and Mutual Information","display_name":"Investigating Aging-Related Changes in the Coordination of Agonist and Antagonist Muscles Using Fuzzy Entropy and Mutual Information","publication_year":2016,"publication_date":"2016-06-20","ids":{"openalex":"https://openalex.org/W2441855032","doi":"https://doi.org/10.3390/e18060229","mag":"2441855032"},"language":"en","primary_location":{"id":"doi:10.3390/e18060229","is_oa":true,"landing_page_url":"https://doi.org/10.3390/e18060229","pdf_url":"https://www.mdpi.com/1099-4300/18/6/229/pdf?version=1466402676","source":{"id":"https://openalex.org/S195231649","display_name":"Entropy","issn_l":"1099-4300","issn":["1099-4300"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Entropy","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1099-4300/18/6/229/pdf?version=1466402676","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5102099388","display_name":"Wenbo Sun","orcid":null},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenbo Sun","raw_affiliation_strings":["Guangdong Provincial Engineering and Technology Center of Advanced and Portable Medical Devices, Guangzhou 510275, China","Key Laboratory of Sensing Technology and Biomedical Instrument of Guang Dong province, School of Engineering, Sun Yat-sen University, Guangzhou 510275, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Guangdong Provincial Engineering and Technology Center of Advanced and Portable Medical Devices, Guangzhou 510275, China","institution_ids":[]},{"raw_affiliation_string":"Key Laboratory of Sensing Technology and Biomedical Instrument of Guang Dong province, School of Engineering, Sun Yat-sen University, Guangzhou 510275, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046457892","display_name":"Jingtao Liang","orcid":"https://orcid.org/0000-0002-1476-9895"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jingtao Liang","raw_affiliation_strings":["Guangdong Provincial Engineering and Technology Center of Advanced and Portable Medical Devices, Guangzhou 510275, China","Key Laboratory of Sensing Technology and Biomedical Instrument of Guang Dong province, School of Engineering, Sun Yat-sen University, Guangzhou 510275, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Guangdong Provincial Engineering and Technology Center of Advanced and Portable Medical Devices, Guangzhou 510275, China","institution_ids":[]},{"raw_affiliation_string":"Key Laboratory of Sensing Technology and Biomedical Instrument of Guang Dong province, School of Engineering, Sun Yat-sen University, Guangzhou 510275, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078913137","display_name":"Yuan Yang","orcid":"https://orcid.org/0000-0003-2442-3713"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuan Yang","raw_affiliation_strings":["Guangdong Provincial Engineering and Technology Center of Advanced and Portable Medical Devices, Guangzhou 510275, China","Key Laboratory of Sensing Technology and Biomedical Instrument of Guang Dong province, School of Engineering, Sun Yat-sen University, Guangzhou 510275, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Guangdong Provincial Engineering and Technology Center of Advanced and Portable Medical Devices, Guangzhou 510275, China","institution_ids":[]},{"raw_affiliation_string":"Key Laboratory of Sensing Technology and Biomedical Instrument of Guang Dong province, School of Engineering, Sun Yat-sen University, Guangzhou 510275, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112387245","display_name":"Yuanyu Wu","orcid":null},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuanyu Wu","raw_affiliation_strings":["Guangdong Provincial Engineering and Technology Center of Advanced and Portable Medical Devices, Guangzhou 510275, China","Key Laboratory of Sensing Technology and Biomedical Instrument of Guang Dong province, School of Engineering, Sun Yat-sen University, Guangzhou 510275, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Guangdong Provincial Engineering and Technology Center of Advanced and Portable Medical Devices, Guangzhou 510275, China","institution_ids":[]},{"raw_affiliation_string":"Key Laboratory of Sensing Technology and Biomedical Instrument of Guang Dong province, School of Engineering, Sun Yat-sen University, Guangzhou 510275, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075648858","display_name":"Tiebin Yan","orcid":"https://orcid.org/0000-0002-0489-5142"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]},{"id":"https://openalex.org/I4210097354","display_name":"Sun Yat-sen Memorial Hospital","ror":"https://ror.org/01px77p81","country_code":"CN","type":"healthcare","lineage":["https://openalex.org/I4210097354"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tiebin Yan","raw_affiliation_strings":["Department of Rehabilitation Medicine, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Rehabilitation Medicine, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China","institution_ids":["https://openalex.org/I4210097354","https://openalex.org/I157773358"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5046786528","display_name":"Rong Song","orcid":"https://orcid.org/0000-0003-3662-116X"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Rong Song","raw_affiliation_strings":["Guangdong Provincial Engineering and Technology Center of Advanced and Portable Medical Devices, Guangzhou 510275, China","Key Laboratory of Sensing Technology and Biomedical Instrument of Guang Dong province, School of Engineering, Sun Yat-sen University, Guangzhou 510275, China"],"raw_orcid":"https://orcid.org/0000-0003-3662-116X","affiliations":[{"raw_affiliation_string":"Guangdong Provincial Engineering and Technology Center of Advanced and Portable Medical Devices, Guangzhou 510275, China","institution_ids":[]},{"raw_affiliation_string":"Key Laboratory of Sensing Technology and Biomedical Instrument of Guang Dong province, School of Engineering, Sun Yat-sen University, Guangzhou 510275, China","institution_ids":["https://openalex.org/I157773358"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5046786528"],"corresponding_institution_ids":["https://openalex.org/I157773358"],"apc_list":{"value":2000,"currency":"CHF","value_usd":2165},"apc_paid":{"value":2000,"currency":"CHF","value_usd":2165},"fwci":1.2248,"has_fulltext":false,"cited_by_count":20,"citation_normalized_percentile":{"value":0.79037915,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"18","issue":"6","first_page":"229","last_page":"229"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10784","display_name":"Muscle activation and electromyography studies","score":0.9994000196456909,"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":0.9994000196456909,"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/T10982","display_name":"Motor Control and Adaptation","score":0.9952999949455261,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10157","display_name":"Sports Performance and Training","score":0.9872999787330627,"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/biceps","display_name":"Biceps","score":0.9014622569084167},{"id":"https://openalex.org/keywords/agonist","display_name":"Agonist","score":0.7004263401031494},{"id":"https://openalex.org/keywords/isometric-exercise","display_name":"Isometric exercise","score":0.6790103316307068},{"id":"https://openalex.org/keywords/antagonist","display_name":"Antagonist","score":0.6712416410446167},{"id":"https://openalex.org/keywords/elbow","display_name":"Elbow","score":0.5602888464927673},{"id":"https://openalex.org/keywords/electromyography","display_name":"Electromyography","score":0.47623541951179504},{"id":"https://openalex.org/keywords/elbow-flexion","display_name":"Elbow flexion","score":0.4726910889148712},{"id":"https://openalex.org/keywords/physical-medicine-and-rehabilitation","display_name":"Physical medicine and rehabilitation","score":0.3516499698162079},{"id":"https://openalex.org/keywords/internal-medicine","display_name":"Internal medicine","score":0.34162840247154236},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.3409295082092285},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.33106380701065063},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.32084524631500244},{"id":"https://openalex.org/keywords/anatomy","display_name":"Anatomy","score":0.3093492388725281},{"id":"https://openalex.org/keywords/receptor","display_name":"Receptor","score":0.1469915509223938}],"concepts":[{"id":"https://openalex.org/C2781425419","wikidata":"https://www.wikidata.org/wiki/Q201363","display_name":"Biceps","level":2,"score":0.9014622569084167},{"id":"https://openalex.org/C2778938600","wikidata":"https://www.wikidata.org/wiki/Q389934","display_name":"Agonist","level":3,"score":0.7004263401031494},{"id":"https://openalex.org/C103486182","wikidata":"https://www.wikidata.org/wiki/Q1216236","display_name":"Isometric exercise","level":2,"score":0.6790103316307068},{"id":"https://openalex.org/C2776885963","wikidata":"https://www.wikidata.org/wiki/Q245204","display_name":"Antagonist","level":3,"score":0.6712416410446167},{"id":"https://openalex.org/C2781184374","wikidata":"https://www.wikidata.org/wiki/Q42586","display_name":"Elbow","level":2,"score":0.5602888464927673},{"id":"https://openalex.org/C2777515770","wikidata":"https://www.wikidata.org/wiki/Q507369","display_name":"Electromyography","level":2,"score":0.47623541951179504},{"id":"https://openalex.org/C3019131375","wikidata":"https://www.wikidata.org/wiki/Q42586","display_name":"Elbow flexion","level":3,"score":0.4726910889148712},{"id":"https://openalex.org/C99508421","wikidata":"https://www.wikidata.org/wiki/Q2678675","display_name":"Physical medicine and rehabilitation","level":1,"score":0.3516499698162079},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.34162840247154236},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.3409295082092285},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.33106380701065063},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.32084524631500244},{"id":"https://openalex.org/C105702510","wikidata":"https://www.wikidata.org/wiki/Q514","display_name":"Anatomy","level":1,"score":0.3093492388725281},{"id":"https://openalex.org/C170493617","wikidata":"https://www.wikidata.org/wiki/Q208467","display_name":"Receptor","level":2,"score":0.1469915509223938}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/e18060229","is_oa":true,"landing_page_url":"https://doi.org/10.3390/e18060229","pdf_url":"https://www.mdpi.com/1099-4300/18/6/229/pdf?version=1466402676","source":{"id":"https://openalex.org/S195231649","display_name":"Entropy","issn_l":"1099-4300","issn":["1099-4300"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Entropy","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:0fd94128690a4cb2a20b2e651bc33013","is_oa":true,"landing_page_url":"https://doaj.org/article/0fd94128690a4cb2a20b2e651bc33013","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Entropy, Vol 18, Iss 6, p 229 (2016)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1099-4300/18/6/229/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/e18060229","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Entropy; Volume 18; Issue 6; Pages: 229","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/e18060229","is_oa":true,"landing_page_url":"https://doi.org/10.3390/e18060229","pdf_url":"https://www.mdpi.com/1099-4300/18/6/229/pdf?version=1466402676","source":{"id":"https://openalex.org/S195231649","display_name":"Entropy","issn_l":"1099-4300","issn":["1099-4300"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Entropy","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","score":0.5,"display_name":"Good health and well-being"}],"awards":[{"id":"https://openalex.org/G5252884282","display_name":null,"funder_award_id":"91520201","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5270560815","display_name":null,"funder_award_id":"61273359","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2441855032.pdf"},"referenced_works_count":39,"referenced_works":["https://openalex.org/W110235752","https://openalex.org/W1507445471","https://openalex.org/W1979527325","https://openalex.org/W1982802306","https://openalex.org/W1987853638","https://openalex.org/W1996223729","https://openalex.org/W1999873932","https://openalex.org/W2000196109","https://openalex.org/W2008062644","https://openalex.org/W2013445151","https://openalex.org/W2016871362","https://openalex.org/W2022143749","https://openalex.org/W2038373778","https://openalex.org/W2046492913","https://openalex.org/W2048062613","https://openalex.org/W2049719883","https://openalex.org/W2053517056","https://openalex.org/W2056914744","https://openalex.org/W2058695193","https://openalex.org/W2061824487","https://openalex.org/W2063747922","https://openalex.org/W2065327112","https://openalex.org/W2071529525","https://openalex.org/W2080722576","https://openalex.org/W2094502183","https://openalex.org/W2102776158","https://openalex.org/W2104113119","https://openalex.org/W2123608166","https://openalex.org/W2141721599","https://openalex.org/W2144420028","https://openalex.org/W2156475066","https://openalex.org/W2156879397","https://openalex.org/W2164104048","https://openalex.org/W2167846985","https://openalex.org/W2182761754","https://openalex.org/W2247393699","https://openalex.org/W2328504089","https://openalex.org/W2332036028","https://openalex.org/W6654452819"],"related_works":["https://openalex.org/W2316134440","https://openalex.org/W2378740985","https://openalex.org/W293276664","https://openalex.org/W2322261446","https://openalex.org/W2017681254","https://openalex.org/W1970554925","https://openalex.org/W3126333532","https://openalex.org/W2423632980","https://openalex.org/W2318171354","https://openalex.org/W2347998847"],"abstract_inverted_index":{"Aging":[0],"alters":[1],"muscular":[2],"coordination":[3,14,192],"patterns.":[4],"This":[5],"study":[6,178],"aimed":[7],"to":[8,41,47,67,80,170],"investigate":[9],"aging-related":[10,188],"changes":[11,189],"in":[12,190],"the":[13,23,29,43,69,82,94,115,158,163,184,187,191],"of":[15,25,71,108,121,165,183,193],"agonist":[16,44,90,109,194],"and":[17,28,35,56,61,73,87,93,102,145,162,175,195],"antagonist":[18,95,122,143,196],"muscles":[19,27],"from":[20,157],"two":[21,116],"aspects,":[22],"activities":[24,70],"individual":[26],"inter-muscular":[30,83,147],"coupling.":[31],"Eighteen":[32],"young":[33],"subjects":[34,38],"10":[36],"elderly":[37],"were":[39,65,112],"recruited":[40],"modulate":[42],"muscle":[45,59],"activity":[46],"track":[48],"a":[49,180],"target":[50],"during":[51,99,128,136,151],"voluntary":[52],"isometric":[53],"elbow":[54,100,129,137,152],"flexion":[55,101],"extension.":[57,130,138],"Normalized":[58],"activation":[60,91,96],"fuzzy":[62],"entropy":[63],"(FuzzyEn)":[64],"applied":[66],"depict":[68],"biceps":[72,86],"triceps.":[74,88],"Mutual":[75],"information":[76],"(MI)":[77],"was":[78],"utilized":[79],"measure":[81],"coupling":[84,148],"between":[85,114],"The":[89],"decreased":[92,132,146],"increased":[97,124,142],"significantly":[98,125,133],"extension":[103],"with":[104,126,134,149],"aging.":[105],"FuzzyEn":[106,119,174],"values":[107,120],"electromyogram":[110],"(EMG)":[111],"similar":[113],"age":[117],"groups.":[118],"EMG":[123],"aging":[127,135,150],"MI":[131],"These":[139],"results":[140],"indicated":[141],"co-activation":[144],"extension,":[153],"which":[154],"might":[155],"result":[156],"reduced":[159],"reciprocal":[160],"inhibition":[161],"recruitment":[164],"additional":[166],"cortical-spinal":[167],"pathways":[168],"connected":[169],"biceps.":[171],"Based":[172],"on":[173],"MI,":[176],"this":[177],"provided":[179],"comprehensive":[181],"understanding":[182],"mechanisms":[185],"underlying":[186],"muscles.":[197]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":1}],"updated_date":"2026-05-22T06:13:13.366637","created_date":"2025-10-10T00:00:00"}
