{"id":"https://openalex.org/W2015100015","doi":"https://doi.org/10.1152/jn.00686.2007","title":"Motor Unit Synchronization Is Increased in Biceps Brachii After Exercise-Induced Damage to Elbow Flexor Muscles","display_name":"Motor Unit Synchronization Is Increased in Biceps Brachii After Exercise-Induced Damage to Elbow Flexor Muscles","publication_year":2008,"publication_date":"2008-01-03","ids":{"openalex":"https://openalex.org/W2015100015","doi":"https://doi.org/10.1152/jn.00686.2007","mag":"2015100015","pmid":"https://pubmed.ncbi.nlm.nih.gov/18171708"},"language":"en","primary_location":{"id":"doi:10.1152/jn.00686.2007","doi":"https://doi.org/10.1152/jn.00686.2007","is_oa":false,"landing_page_url":"https://doi.org/10.1152/jn.00686.2007","pdf_url":null,"source":{"id":"https://openalex.org/S142952003","display_name":"Journal of Neurophysiology","issn_l":"0022-3077","issn":["0022-3077","1522-1598"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-c","doyens","jufo-2","ki-jl-1","medline","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320155","host_organization_name":"American Physiological Society","host_organization_lineage":["https://openalex.org/P4310320155"],"host_organization_lineage_names":["American Physiological Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Neurophysiology","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/A5086761475","display_name":"Tamara J. Dartnall","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I5681781","display_name":"The University of Adelaide","ror":"https://ror.org/00892tw58","country_code":"AU","type":"education","lineage":["https://openalex.org/I4405259444","https://openalex.org/I5681781"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Tamara J. Dartnall","raw_affiliation_strings":["Discipline of Physiology and Research Centre for Human Movement Control, School of Molecular and Biomedical Science, The University of Adelaide, Adelaide, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Discipline of Physiology and Research Centre for Human Movement Control, School of Molecular and Biomedical Science, The University of Adelaide, Adelaide, Australia","institution_ids":["https://openalex.org/I5681781"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112197292","display_name":"Michael A. Nordstrom","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Michael A. Nordstrom","raw_affiliation_strings":[""],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5084405129","display_name":"John G. Semmler","orcid":"https://orcid.org/0000-0003-0260-8047","observed_orcids":["https://orcid.org/0000-0003-0260-8047"]},"institutions":[{"id":"https://openalex.org/I5681781","display_name":"The University of Adelaide","ror":"https://ror.org/00892tw58","country_code":"AU","type":"education","lineage":["https://openalex.org/I4405259444","https://openalex.org/I5681781"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"John G. Semmler","raw_affiliation_strings":["","*University of Adelaide"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"","institution_ids":[]},{"raw_affiliation_string":"*University of Adelaide","institution_ids":["https://openalex.org/I5681781"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":6.9275,"has_fulltext":false,"cited_by_count":105,"citation_normalized_percentile":{"value":0.97450295,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":93,"max":99},"biblio":{"volume":"99","issue":"2","first_page":"1008","last_page":"1019"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10784","display_name":"Muscle activation and electromyography studies","score":0.6269999742507935,"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":0.6269999742507935,"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/T11585","display_name":"Exercise and Physiological Responses","score":0.2728999853134155,"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/T10441","display_name":"Muscle Physiology and Disorders","score":0.03750000149011612,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/motor-unit-synchrony","display_name":"motor unit synchronization","score":0.9900000095367432},{"id":"https://openalex.org/keywords/motor-unit-coherence","display_name":"motor unit coherence","score":0.9670000076293945},{"id":"https://openalex.org/keywords/biceps-brachii","display_name":"biceps brachii","score":0.875},{"id":"https://openalex.org/keywords/eccentric-exercise","display_name":"eccentric exercise","score":0.902999997138977},{"id":"https://openalex.org/keywords/exercise-induced-muscle-damage","display_name":"exercise-induced muscle damage","score":0.968999981880188},{"id":"https://openalex.org/keywords/elbow-flexors","display_name":"elbow flexors","score":0.8090000152587891},{"id":"https://openalex.org/keywords/motor-unit-discharge","display_name":"motor unit discharge","score":0.656000018119812},{"id":"https://openalex.org/keywords/muscle-fatigue","display_name":"muscle fatigue","score":0.6779999732971191},{"id":"https://openalex.org/keywords/force-fluctuations","display_name":"force fluctuations","score":0.5370000004768372}],"concepts":[{"id":"https://openalex.org/C103486182","wikidata":"https://www.wikidata.org/wiki/Q1216236","display_name":"Isometric exercise","level":2,"score":0.8924872875213623},{"id":"https://openalex.org/C2781425419","wikidata":"https://www.wikidata.org/wiki/Q201363","display_name":"Biceps","level":2,"score":0.8883397579193115},{"id":"https://openalex.org/C2781425072","wikidata":"https://www.wikidata.org/wiki/Q1889028","display_name":"Motor unit","level":2,"score":0.8614104986190796},{"id":"https://openalex.org/C100784341","wikidata":"https://www.wikidata.org/wiki/Q1340491","display_name":"Eccentric","level":2,"score":0.6755608320236206},{"id":"https://openalex.org/C2777515770","wikidata":"https://www.wikidata.org/wiki/Q507369","display_name":"Electromyography","level":2,"score":0.5596959590911865},{"id":"https://openalex.org/C2781184374","wikidata":"https://www.wikidata.org/wiki/Q42586","display_name":"Elbow","level":2,"score":0.5338636040687561},{"id":"https://openalex.org/C99508421","wikidata":"https://www.wikidata.org/wiki/Q2678675","display_name":"Physical medicine and rehabilitation","level":1,"score":0.5223175883293152},{"id":"https://openalex.org/C173172909","wikidata":"https://www.wikidata.org/wiki/Q6918207","display_name":"Motor unit recruitment","level":3,"score":0.48628532886505127},{"id":"https://openalex.org/C2776050358","wikidata":"https://www.wikidata.org/wiki/Q127006","display_name":"Muscle contraction","level":2,"score":0.470927894115448},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.446778267621994},{"id":"https://openalex.org/C2776874296","wikidata":"https://www.wikidata.org/wiki/Q6940317","display_name":"Muscle fatigue","level":3,"score":0.44072407484054565},{"id":"https://openalex.org/C2910165411","wikidata":"https://www.wikidata.org/wiki/Q901101","display_name":"Extensor Digitorum Communis","level":3,"score":0.43531396985054016},{"id":"https://openalex.org/C163415756","wikidata":"https://www.wikidata.org/wiki/Q126473","display_name":"Contraction (grammar)","level":2,"score":0.42032235860824585},{"id":"https://openalex.org/C105702510","wikidata":"https://www.wikidata.org/wiki/Q514","display_name":"Anatomy","level":1,"score":0.3877933621406555},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.3813124895095825},{"id":"https://openalex.org/C1862650","wikidata":"https://www.wikidata.org/wiki/Q186005","display_name":"Physical therapy","level":1,"score":0.29476919770240784},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.2306988537311554},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.21044334769248962},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000293","descriptor_name":"Adolescent","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000704","descriptor_name":"Analysis of Variance","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001696","descriptor_name":"Biomechanical Phenomena","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001917","descriptor_name":"Brachial Plexus","qualifier_ui":"Q000473","qualifier_name":"pathology","is_major_topic":true},{"descriptor_ui":"D004550","descriptor_name":"Elbow","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D004576","descriptor_name":"Electromyography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"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":"D009046","descriptor_name":"Motor Neurons","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true},{"descriptor_ui":"D009119","descriptor_name":"Muscle Contraction","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true},{"descriptor_ui":"D013647","descriptor_name":"Task Performance and Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013997","descriptor_name":"Time Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015444","descriptor_name":"Exercise","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D018482","descriptor_name":"Muscle, Skeletal","qualifier_ui":"Q000293","qualifier_name":"injuries","is_major_topic":true},{"descriptor_ui":"D018482","descriptor_name":"Muscle, Skeletal","qualifier_ui":"Q000503","qualifier_name":"physiopathology","is_major_topic":true}],"locations_count":3,"locations":[{"id":"doi:10.1152/jn.00686.2007","doi":"https://doi.org/10.1152/jn.00686.2007","is_oa":false,"landing_page_url":"https://doi.org/10.1152/jn.00686.2007","pdf_url":null,"source":{"id":"https://openalex.org/S142952003","display_name":"Journal of Neurophysiology","issn_l":"0022-3077","issn":["0022-3077","1522-1598"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-c","doyens","jufo-2","ki-jl-1","medline","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320155","host_organization_name":"American Physiological Society","host_organization_lineage":["https://openalex.org/P4310320155"],"host_organization_lineage_names":["American Physiological Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Neurophysiology","raw_type":"journal-article"},{"id":"pmid:18171708","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/18171708","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":"Journal of neurophysiology","raw_type":"Journal Article"},{"id":"pmh:oai:digital.library.adelaide.edu.au:2440/52144","doi":null,"is_oa":false,"landing_page_url":"http://hdl.handle.net/2440/52144","pdf_url":null,"source":{"id":"https://openalex.org/S4306401835","display_name":"Adelaide Research & Scholarship (AR&S) (University of Adelaide)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I5681781","host_organization_name":"The University of Adelaide","host_organization_lineage":["https://openalex.org/I5681781"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"https://doi.org/10.1152/jn.00686.2007","raw_type":"Journal article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8560000061988831,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":73,"referenced_works":["https://openalex.org/W90547755","https://openalex.org/W1035050023","https://openalex.org/W1589209408","https://openalex.org/W1618095273","https://openalex.org/W1645498724","https://openalex.org/W1730428617","https://openalex.org/W1876391208","https://openalex.org/W1963839458","https://openalex.org/W1976353274","https://openalex.org/W1976367531","https://openalex.org/W1977349824","https://openalex.org/W1979486745","https://openalex.org/W1980233301","https://openalex.org/W1980349290","https://openalex.org/W1986239264","https://openalex.org/W2000661220","https://openalex.org/W2002115993","https://openalex.org/W2003952274","https://openalex.org/W2005018966","https://openalex.org/W2005700354","https://openalex.org/W2011632944","https://openalex.org/W2014304427","https://openalex.org/W2028558558","https://openalex.org/W2037105469","https://openalex.org/W2039335762","https://openalex.org/W2042816348","https://openalex.org/W2044273577","https://openalex.org/W2047347032","https://openalex.org/W2049937809","https://openalex.org/W2051013281","https://openalex.org/W2052905102","https://openalex.org/W2055888932","https://openalex.org/W2056251389","https://openalex.org/W2059009913","https://openalex.org/W2067998685","https://openalex.org/W2068679251","https://openalex.org/W2071629675","https://openalex.org/W2089938623","https://openalex.org/W2091066310","https://openalex.org/W2091496716","https://openalex.org/W2093020599","https://openalex.org/W2094542824","https://openalex.org/W2095213005","https://openalex.org/W2097306149","https://openalex.org/W2100642835","https://openalex.org/W2100714216","https://openalex.org/W2103403570","https://openalex.org/W2111809177","https://openalex.org/W2115091831","https://openalex.org/W2127153224","https://openalex.org/W2130626695","https://openalex.org/W2132325746","https://openalex.org/W2138452398","https://openalex.org/W2140382000","https://openalex.org/W2141866100","https://openalex.org/W2142416079","https://openalex.org/W2143906921","https://openalex.org/W2146320932","https://openalex.org/W2149034700","https://openalex.org/W2150980522","https://openalex.org/W2152453505","https://openalex.org/W2152510471","https://openalex.org/W2155509469","https://openalex.org/W2158963974","https://openalex.org/W2159108410","https://openalex.org/W2165453261","https://openalex.org/W2176359447","https://openalex.org/W2180879478","https://openalex.org/W2215658989","https://openalex.org/W2220146336","https://openalex.org/W2258755109","https://openalex.org/W2285238963","https://openalex.org/W2415594048"],"related_works":["https://openalex.org/W2327949599","https://openalex.org/W2085575990","https://openalex.org/W1954091270","https://openalex.org/W2301983971","https://openalex.org/W2020069238","https://openalex.org/W2012861262","https://openalex.org/W2086231010","https://openalex.org/W2006107633","https://openalex.org/W4402169148","https://openalex.org/W2472149572"],"abstract_inverted_index":{"The":[0],"purpose":[1],"of":[2,10,26,45,77,79,119,159,221,234],"this":[3],"study":[4],"was":[5,168,203],"to":[6,224],"determine":[7],"the":[8,27,123,219,231,248],"effect":[9],"eccentric":[11,99,107,228],"exercise":[12,108,181,189,208,229],"on":[13],"correlated":[14,232],"motor":[15,82,160,195,236],"unit":[16,19,154,161,196],"discharge":[17,76],"(motor":[18],"synchronization":[20],"and":[21,51,73,94,109,133,144,177,209],"coherence)":[22],"during":[23,163],"low-force":[24,164],"contractions":[25],"human":[28,235],"biceps":[29,57,126,239],"brachii":[30,127,240],"muscle.":[31],"Eight":[32],"subjects":[33],"(age,":[34],"25":[35],"+/-":[36],"7":[37],"yr)":[38],"performed":[39,90],"three":[40],"tasks":[41,88],"involving":[42],"isometric":[43],"contraction":[44,64,68],"elbow":[46],"flexors":[47],"while":[48],"EMG":[49,128],"(surface":[50],"intramuscular)":[52],"records":[53],"were":[54,60,89],"obtained":[55],"from":[56,227],"brachii.":[58],"Tasks":[59],"1)":[61],"maximum":[62],"voluntary":[63],"(MVC);":[65],"2)":[66],"constant-force":[67,124],"at":[69,198],"various":[70],"submaximal":[71],"targets;":[72],"3)":[74],"sustained":[75],"pairs":[78,162],"concurrently":[80],"active":[81],"units":[83,237],"for":[84,242],"2-5":[85],"min.":[86],"These":[87,215],"before,":[91],"immediately":[92,105,141,171,206],"after,":[93],"24":[95,113,150,178,212],"h":[96,114,151,179,213,246],"after":[97,106,142,172,180,207,247],"fatiguing":[98],"exercise.":[100,249],"MVC":[101],"force":[102,134],"declined":[103],"46%":[104],"remained":[110],"depressed":[111],"(31%)":[112],"later,":[115],"which":[116],"is":[117],"indicative":[118],"muscle":[120,225,241],"damage.":[121],"For":[122],"task,":[125],"(":[129,136],"approximately":[130,137,148],"100%":[131],"greater)":[132,139],"fluctuations":[135],"75%":[138],"increased":[140],"exercise,":[143],"both":[145],"recovered":[146],"by":[147,157],"50%":[149],"later.":[152,214],"Motor":[153],"synchronization,":[155],"quantified":[156],"cross-correlation":[158],"(1-26%":[165],"MVC)":[166],"contractions,":[167],"30%":[169],"greater":[170,205,211],"(n":[173,182,190],"=":[174,183,191],"105":[175],"pairs)":[176,185],"92":[184],"compared":[186],"with":[187],"before":[188],"99":[192],"pairs).":[193],"Similarly,":[194],"coherence":[197],"low":[199],"(0-10":[200],"Hz)":[201],"frequencies":[202],"20%":[204],"34%":[210],"results":[216],"indicate":[217],"that":[218],"series":[220],"events":[222],"leading":[223],"damage":[226],"alters":[230],"behavior":[233],"in":[238],">":[243],"or":[244],"=24":[245]},"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":7},{"year":2016,"cited_by_count":5},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":9},{"year":2013,"cited_by_count":9},{"year":2012,"cited_by_count":8}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2016-06-24T00:00:00"}