{"id":"https://openalex.org/W7127048599","doi":"https://doi.org/10.1134/s0362119725700677","title":"Electromyographic Characteristics of the Aftercontraction Effect of Skeletal Muscles in Young, Middle-Aged, and Elderly People","display_name":"Electromyographic Characteristics of the Aftercontraction Effect of Skeletal Muscles in Young, Middle-Aged, and Elderly People","publication_year":2025,"publication_date":"2025-10-01","ids":{"openalex":"https://openalex.org/W7127048599","doi":"https://doi.org/10.1134/s0362119725700677"},"language":"en","primary_location":{"id":"doi:10.1134/s0362119725700677","doi":"https://doi.org/10.1134/s0362119725700677","is_oa":false,"landing_page_url":"https://doi.org/10.1134/s0362119725700677","pdf_url":null,"source":{"id":"https://openalex.org/S173526038","display_name":"Human Physiology","issn_l":"0131-1646","issn":["0131-1646","0362-1197","1608-3164"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["jufo-1","norway-1","poland-20","russia-white-list-1","russia-white-list-3","vabb-shw"],"host_organization":"https://openalex.org/P4310320267","host_organization_name":"Pleiades Publishing","host_organization_lineage":["https://openalex.org/P4310320267","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Pleiades Publishing","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Human Physiology","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"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/A5080439118","display_name":"A. Yu. Meigal","orcid":"https://orcid.org/0000-0003-2088-5101","observed_orcids":["https://orcid.org/0000-0003-2088-5101"]},"institutions":[{"id":"https://openalex.org/I197524780","display_name":"Petrozavodsk State University","ror":"https://ror.org/0176aa147","country_code":"RU","type":"education","lineage":["https://openalex.org/I197524780"]}],"countries":["RU"],"is_corresponding":true,"raw_author_name":"A. Yu. Meigal","raw_affiliation_strings":["Petrozavodsk State University, Petrozavodsk, Russia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Petrozavodsk State University, Petrozavodsk, Russia","institution_ids":["https://openalex.org/I197524780"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068964746","display_name":"Alexandra Peskova","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I197524780","display_name":"Petrozavodsk State University","ror":"https://ror.org/0176aa147","country_code":"RU","type":"education","lineage":["https://openalex.org/I197524780"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"A. E. Peskova","raw_affiliation_strings":["Petrozavodsk State University, Petrozavodsk, Russia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Petrozavodsk State University, Petrozavodsk, Russia","institution_ids":["https://openalex.org/I197524780"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036588266","display_name":"Liudmila I. Gerasimova-Meigal","orcid":"https://orcid.org/0000-0002-3677-3764","observed_orcids":["https://orcid.org/0000-0002-3677-3764"]},"institutions":[{"id":"https://openalex.org/I197524780","display_name":"Petrozavodsk State University","ror":"https://ror.org/0176aa147","country_code":"RU","type":"education","lineage":["https://openalex.org/I197524780"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"L. I. Gerasimova-Meigal","raw_affiliation_strings":["Petrozavodsk State University, Petrozavodsk, Russia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Petrozavodsk State University, Petrozavodsk, Russia","institution_ids":["https://openalex.org/I197524780"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5030434302","display_name":"\u0410\u043d\u0442\u043e\u043d\u0435\u043d \u0415\u043b\u0435\u043d\u0430 \u0413\u0435\u043d\u043d\u0430\u0434\u044c\u0435\u0432\u043d\u0430","orcid":"https://orcid.org/0000-0002-9445-0752","observed_orcids":["https://orcid.org/0000-0002-9445-0752"]},"institutions":[{"id":"https://openalex.org/I197524780","display_name":"Petrozavodsk State University","ror":"https://ror.org/0176aa147","country_code":"RU","type":"education","lineage":["https://openalex.org/I197524780"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"E. G. Antonen","raw_affiliation_strings":["Petrozavodsk State University, Petrozavodsk, Russia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Petrozavodsk State University, Petrozavodsk, Russia","institution_ids":["https://openalex.org/I197524780"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5080439118"],"corresponding_institution_ids":["https://openalex.org/I197524780"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.31714056,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"51","issue":"5","first_page":"481","last_page":"488"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10784","display_name":"Muscle activation and electromyography studies","score":0.9965999722480774,"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":0.9965999722480774,"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/T10441","display_name":"Muscle Physiology and Disorders","score":0.0026000000070780516,"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"}},{"id":"https://openalex.org/T11209","display_name":"Cardiovascular and exercise physiology","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2707","display_name":"Complementary and alternative 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/aftercontractions","display_name":"aftercontractions","score":0.9200000166893005},{"id":"https://openalex.org/keywords/surface-electromyogram","display_name":"surface electromyogram","score":0.6489999890327454},{"id":"https://openalex.org/keywords/aging","display_name":"aging","score":0.5899999737739563},{"id":"https://openalex.org/keywords/skeletal-muscle-tone","display_name":"skeletal muscle tone","score":0.7110000252723694},{"id":"https://openalex.org/keywords/deltoid-muscle","display_name":"deltoid muscle","score":0.8519999980926514},{"id":"https://openalex.org/keywords/latency","display_name":"latency","score":0.621999979019165}],"concepts":[{"id":"https://openalex.org/C103486182","wikidata":"https://www.wikidata.org/wiki/Q1216236","display_name":"Isometric exercise","level":2,"score":0.7192000150680542},{"id":"https://openalex.org/C137711082","wikidata":"https://www.wikidata.org/wiki/Q2348724","display_name":"Deltoid curve","level":2,"score":0.6460000276565552},{"id":"https://openalex.org/C3018697994","wikidata":"https://www.wikidata.org/wiki/Q191089","display_name":"Elderly people","level":2,"score":0.5953999757766724},{"id":"https://openalex.org/C2777515770","wikidata":"https://www.wikidata.org/wiki/Q507369","display_name":"Electromyography","level":2,"score":0.5799000263214111},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.5676000118255615},{"id":"https://openalex.org/C99508421","wikidata":"https://www.wikidata.org/wiki/Q2678675","display_name":"Physical medicine and rehabilitation","level":1,"score":0.4952999949455261},{"id":"https://openalex.org/C3019887659","wikidata":"https://www.wikidata.org/wiki/Q191089","display_name":"Older people","level":2,"score":0.4700999855995178},{"id":"https://openalex.org/C2986834420","wikidata":"https://www.wikidata.org/wiki/Q5932254","display_name":"Age groups","level":2,"score":0.46650001406669617},{"id":"https://openalex.org/C2986265897","wikidata":"https://www.wikidata.org/wiki/Q23852","display_name":"Human physiology","level":2,"score":0.39250001311302185},{"id":"https://openalex.org/C1862650","wikidata":"https://www.wikidata.org/wiki/Q186005","display_name":"Physical therapy","level":1,"score":0.3772999942302704},{"id":"https://openalex.org/C2776874296","wikidata":"https://www.wikidata.org/wiki/Q6940317","display_name":"Muscle fatigue","level":3,"score":0.35280001163482666},{"id":"https://openalex.org/C548259974","wikidata":"https://www.wikidata.org/wiki/Q569965","display_name":"Audiology","level":1,"score":0.3483999967575073},{"id":"https://openalex.org/C2776050358","wikidata":"https://www.wikidata.org/wiki/Q127006","display_name":"Muscle contraction","level":2,"score":0.3481999933719635},{"id":"https://openalex.org/C122381330","wikidata":"https://www.wikidata.org/wiki/Q1331626","display_name":"Frequency spectrum","level":3,"score":0.33149999380111694},{"id":"https://openalex.org/C2778391849","wikidata":"https://www.wikidata.org/wiki/Q1079090","display_name":"Neurotypical","level":4,"score":0.32269999384880066},{"id":"https://openalex.org/C2779329155","wikidata":"https://www.wikidata.org/wiki/Q130243","display_name":"Deltoid muscle","level":2,"score":0.32260000705718994},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.3172999918460846},{"id":"https://openalex.org/C105702510","wikidata":"https://www.wikidata.org/wiki/Q514","display_name":"Anatomy","level":1,"score":0.2973000109195709},{"id":"https://openalex.org/C82876162","wikidata":"https://www.wikidata.org/wiki/Q17096504","display_name":"Latency (audio)","level":2,"score":0.2964000105857849},{"id":"https://openalex.org/C2777676865","wikidata":"https://www.wikidata.org/wiki/Q1641075","display_name":"Hyperpnea","level":3,"score":0.28110000491142273},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.2777000069618225},{"id":"https://openalex.org/C2988918651","wikidata":"https://www.wikidata.org/wiki/Q1048687","display_name":"Muscle strength","level":2,"score":0.26589998602867126}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1134/s0362119725700677","doi":"https://doi.org/10.1134/s0362119725700677","is_oa":false,"landing_page_url":"https://doi.org/10.1134/s0362119725700677","pdf_url":null,"source":{"id":"https://openalex.org/S173526038","display_name":"Human Physiology","issn_l":"0131-1646","issn":["0131-1646","0362-1197","1608-3164"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["jufo-1","norway-1","poland-20","russia-white-list-1","russia-white-list-3","vabb-shw"],"host_organization":"https://openalex.org/P4310320267","host_organization_name":"Pleiades Publishing","host_organization_lineage":["https://openalex.org/P4310320267","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Pleiades Publishing","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Human Physiology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being","score":0.9476000070571899}],"sustainable_development_goals_aurora":[],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W1505218609","https://openalex.org/W1979285574","https://openalex.org/W1983423564","https://openalex.org/W2005005837","https://openalex.org/W2009806712","https://openalex.org/W2021639832","https://openalex.org/W2051744476","https://openalex.org/W2053037130","https://openalex.org/W2057392792","https://openalex.org/W2065183097","https://openalex.org/W2065363098","https://openalex.org/W2068037469","https://openalex.org/W2088048511","https://openalex.org/W2090598147","https://openalex.org/W2092706944","https://openalex.org/W2094158052","https://openalex.org/W2127960149","https://openalex.org/W2130375741","https://openalex.org/W2132881915","https://openalex.org/W2163518871","https://openalex.org/W2604214840","https://openalex.org/W2955693559","https://openalex.org/W3009926541","https://openalex.org/W3010176210","https://openalex.org/W3174667770","https://openalex.org/W4285810977","https://openalex.org/W4399730190","https://openalex.org/W4407085888"],"related_works":[],"abstract_inverted_index":{"Abstract":[0],"The":[1,142,164,192],"aftercontraction":[2],"effect,":[3],"or":[4],"postactivation":[5],"effect":[6],"(PAE)":[7],"is":[8,18,216,234,254],"a":[9,275],"special":[10],"type":[11],"of":[12,27,38,45,56,93,105,120,126,144,166,174,180,195,219,225,239,242,248,268],"involuntary":[13],"normal":[14],"muscle":[15],"tone.":[16],"It":[17,253],"assumed":[19,255],"that":[20,256],"aging":[21],"can":[22],"specifically":[23],"modify":[24],"such":[25],"characteristics":[26],"PAE":[28,50,88,147,167,181,200,215,233,243],"as":[29],"duration,":[30],"latency,":[31],"prevalence":[32],"in":[33,53,91,95,100,103,107,124,128,132,138,150,185,208,228],"the":[34,36,43,46,54,85,96,108,112,115,129,139,151,172,178,183,186,196,209,237,265],"population,":[35],"presence":[37],"an":[39],"\u201coscillatory\u201d":[40,116],"pattern,":[41],"and":[42,73,75,102,134,177,211,230,250,273],"parameters":[44],"surface":[47],"electromyogram":[48],"(sEMG).":[49],"was":[51,89,122,135,148,182,206],"studied":[52],"groups":[55,173],"junior":[57],"adults":[58,66],"(JA,":[59],"18\u201323":[60],"years,":[61,69,80,264],"n":[62,70,81],"=":[63,71,82],"46),":[64],"young":[65],"(YA,":[67],"24\u201344":[68],"23),":[72],"middle-aged":[74],"elderly":[76],"people":[77],"(ME,":[78],"45\u201375":[79],"24).":[83],"In":[84,111],"deltoid":[86],"muscles,":[87],"triggered":[90],"89%":[92],"individuals":[94,106],"JA":[97,113,156,187,210],"group,":[98,114,131],"87%":[99],"YA,":[101],"75%":[104],"ME":[109,140,152,212],"group.":[110,141],"pattern":[117],"(repeated":[118],"periods":[119,241],"PAE)":[121],"present":[123],"32%":[125],"trials,":[127],"YA":[130],"15%,":[133],"completely":[136],"absent":[137],"amplitude":[143,247],"sEMG":[145,197,249],"during":[146,199],"reduced":[149],"group":[153,188],"compared":[154,201],"to":[155,202,262,278],"by":[157,236],"approximately":[158],"two":[159],"times":[160],"(p":[161,189],"<":[162,190],"0.05).":[163,191],"duration":[165],"did":[168],"not":[169],"differ":[170],"among":[171],"different":[175],"ages,":[176],"latency":[179],"lowest":[184],"mean":[193],"frequency":[194],"spectrum":[198],"voluntary":[203],"isometric":[204],"contraction":[205],"higher":[207],"groups.":[213],"Thus,":[214],"generally":[217],"characteristic":[218],"neurotypical":[220],"persons":[221],"under":[222],"75":[223,263],"years":[224],"age,":[226,232],"but":[227],"middle":[229],"older":[231],"characterized":[235],"absence":[238],"repeated":[240],"(\u201coscillatory":[244],"pattern\u201d),":[245],"lower":[246],"longer":[251],"latency.":[252],"with":[257],"increasing":[258],"age":[259],"from":[260],"18":[261],"tonic":[266],"automatisms":[267],"skeletal":[269],"muscles":[270],"are":[271],"inhibited":[272],"have":[274],"lesser":[276],"ability":[277],"oscillate.":[279]},"counts_by_year":[],"updated_date":"2026-10-14T16:39:01.820549","created_date":"2026-02-03T00:00:00"}
