{"id":"https://openalex.org/W2019151981","doi":"https://doi.org/10.12674/ptk.2012.19.2.080","title":"Comparison of Abdominal and Lumbar Multifidus Muscle Activity During Unilateral Hip Extension in Prone Position on the Floor and on a Round Foam Roll","display_name":"Comparison of Abdominal and Lumbar Multifidus Muscle Activity During Unilateral Hip Extension in Prone Position on the Floor and on a Round Foam Roll","publication_year":2012,"publication_date":"2012-05-21","ids":{"openalex":"https://openalex.org/W2019151981","doi":"https://doi.org/10.12674/ptk.2012.19.2.080","mag":"2019151981"},"language":"en","primary_location":{"id":"doi:10.12674/ptk.2012.19.2.080","doi":"https://doi.org/10.12674/ptk.2012.19.2.080","is_oa":true,"landing_page_url":"https://doi.org/10.12674/ptk.2012.19.2.080","pdf_url":"http://koreascience.or.kr:80/article/JAKO201205759632075.pdf","source":{"id":"https://openalex.org/S4306522496","display_name":"Physical Therapy Korea","issn_l":"1225-8962","issn":["1225-8962","2287-982X"],"is_oa":false,"is_in_doaj":true,"is_core":false,"listed_in":["doaj","kci-registered"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Physical Therapy Korea","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"http://koreascience.or.kr:80/article/JAKO201205759632075.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100617444","display_name":"Su\u2010Jung Kim","orcid":"https://orcid.org/0000-0003-3393-9447","observed_orcids":["https://orcid.org/0000-0003-3393-9447"]},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Su-Jung Kim","raw_affiliation_strings":["Dept. of Ergonomic Therapy , The Graduate School of Health and Environment , Yonsei University ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Ergonomic Therapy , The Graduate School of Health and Environment , Yonsei University ,","institution_ids":["https://openalex.org/I193775966"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000482182","display_name":"Kyu-Nam Park","orcid":"https://orcid.org/0000-0003-3521-3121","observed_orcids":["https://orcid.org/0000-0003-3521-3121"]},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Kyu-Nam Park","raw_affiliation_strings":["Dept. of Physical Therapy , The Graduate School , Yonsei University ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Physical Therapy , The Graduate School , Yonsei University ,","institution_ids":["https://openalex.org/I193775966"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109260852","display_name":"Sung-Min Ha","orcid":"https://orcid.org/0000-0002-3481-485X","observed_orcids":["https://orcid.org/0000-0002-3481-485X"]},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Sung-Min Ha","raw_affiliation_strings":["Dept. of Physical Therapy , The Graduate School , Yonsei University ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Physical Therapy , The Graduate School , Yonsei University ,","institution_ids":["https://openalex.org/I193775966"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065840593","display_name":"Oh-Yun Kwon","orcid":"https://orcid.org/0000-0002-9699-768X","observed_orcids":["https://orcid.org/0000-0002-9699-768X","https://orcid.org/0000-0003-0774-5294"]},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Oh-Yun Kwon","raw_affiliation_strings":["Dept. of Physical Therapy , College of Health Science , Yonsei University ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Physical Therapy , College of Health Science , Yonsei University ,","institution_ids":["https://openalex.org/I193775966"]}]},{"author_position":"last","author":{"id":null,"display_name":"Hyun-Sook Kim","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210110285","display_name":"Yeoju University","ror":"https://ror.org/01t4th798","country_code":"KR","type":"education","lineage":["https://openalex.org/I4210110285"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Hyun-Sook Kim","raw_affiliation_strings":["Dept. of Physical Therapy , Yeojoo Institute of Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Physical Therapy , Yeojoo Institute of Technology","institution_ids":["https://openalex.org/I4210110285"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":300000,"currency":"KRW","value_usd":230},"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"19","issue":"2","first_page":"80","last_page":"86"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10784","display_name":"Muscle activation and electromyography studies","score":0.989300012588501,"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":0.989300012588501,"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/T11018","display_name":"Lower Extremity Biomechanics and Pathologies","score":0.0026000000070780516,"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/T10157","display_name":"Sports Performance and Training","score":0.002300000051036477,"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/lumbar-multifidus","display_name":"lumbar multifidus","score":0.9589999914169312},{"id":"https://openalex.org/keywords/prone-hip-extension","display_name":"prone hip extension","score":0.902999997138977},{"id":"https://openalex.org/keywords/external-oblique-muscle","display_name":"external oblique","score":0.7229999899864197},{"id":"https://openalex.org/keywords/internal-oblique-muscle","display_name":"internal oblique","score":1.0},{"id":"https://openalex.org/keywords/muscle-activation","display_name":"muscle activation","score":0.6570000052452087},{"id":"https://openalex.org/keywords/surface-electromyography","display_name":"surface electromyography","score":0.7710000276565552}],"concepts":[{"id":"https://openalex.org/C44575665","wikidata":"https://www.wikidata.org/wiki/Q1293405","display_name":"Lumbar","level":2,"score":0.7422363758087158},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.6392103433609009},{"id":"https://openalex.org/C2778286254","wikidata":"https://www.wikidata.org/wiki/Q371010","display_name":"Multifidus muscle","level":4,"score":0.607114851474762},{"id":"https://openalex.org/C2777515770","wikidata":"https://www.wikidata.org/wiki/Q507369","display_name":"Electromyography","level":2,"score":0.5507739782333374},{"id":"https://openalex.org/C105702510","wikidata":"https://www.wikidata.org/wiki/Q514","display_name":"Anatomy","level":1,"score":0.5297625660896301},{"id":"https://openalex.org/C2910429734","wikidata":"https://www.wikidata.org/wiki/Q133279","display_name":"Back muscles","level":2,"score":0.48736029863357544},{"id":"https://openalex.org/C2993177591","wikidata":"https://www.wikidata.org/wiki/Q9597","display_name":"Abdominal muscles","level":2,"score":0.473865270614624},{"id":"https://openalex.org/C2780907711","wikidata":"https://www.wikidata.org/wiki/Q852163","display_name":"Low back pain","level":3,"score":0.34718233346939087},{"id":"https://openalex.org/C99508421","wikidata":"https://www.wikidata.org/wiki/Q2678675","display_name":"Physical medicine and rehabilitation","level":1,"score":0.2844492495059967},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0},{"id":"https://openalex.org/C204787440","wikidata":"https://www.wikidata.org/wiki/Q188504","display_name":"Alternative medicine","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.12674/ptk.2012.19.2.080","doi":"https://doi.org/10.12674/ptk.2012.19.2.080","is_oa":true,"landing_page_url":"https://doi.org/10.12674/ptk.2012.19.2.080","pdf_url":"http://koreascience.or.kr:80/article/JAKO201205759632075.pdf","source":{"id":"https://openalex.org/S4306522496","display_name":"Physical Therapy Korea","issn_l":"1225-8962","issn":["1225-8962","2287-982X"],"is_oa":false,"is_in_doaj":true,"is_core":false,"listed_in":["doaj","kci-registered"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Physical Therapy Korea","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.12674/ptk.2012.19.2.080","doi":"https://doi.org/10.12674/ptk.2012.19.2.080","is_oa":true,"landing_page_url":"https://doi.org/10.12674/ptk.2012.19.2.080","pdf_url":"http://koreascience.or.kr:80/article/JAKO201205759632075.pdf","source":{"id":"https://openalex.org/S4306522496","display_name":"Physical Therapy Korea","issn_l":"1225-8962","issn":["1225-8962","2287-982X"],"is_oa":false,"is_in_doaj":true,"is_core":false,"listed_in":["doaj","kci-registered"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Physical Therapy Korea","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","score":0.8371999859809875,"display_name":"Good health and well-being"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2019151981.pdf","grobid_xml":"https://content.openalex.org/works/W2019151981.grobid-xml"},"referenced_works_count":29,"referenced_works":["https://openalex.org/W17259929","https://openalex.org/W263769589","https://openalex.org/W650093989","https://openalex.org/W1480514156","https://openalex.org/W1974626712","https://openalex.org/W1980793089","https://openalex.org/W1986017218","https://openalex.org/W1994099533","https://openalex.org/W1996918164","https://openalex.org/W1998908181","https://openalex.org/W2005309282","https://openalex.org/W2006501058","https://openalex.org/W2024425546","https://openalex.org/W2024999607","https://openalex.org/W2025098161","https://openalex.org/W2062337969","https://openalex.org/W2063446378","https://openalex.org/W2078948805","https://openalex.org/W2088198998","https://openalex.org/W2094109126","https://openalex.org/W2105104180","https://openalex.org/W2110582693","https://openalex.org/W2115786979","https://openalex.org/W2116251001","https://openalex.org/W2130145224","https://openalex.org/W2147332388","https://openalex.org/W2158006380","https://openalex.org/W2159825657","https://openalex.org/W4246018386"],"related_works":["https://openalex.org/W2007930458","https://openalex.org/W7097267973","https://openalex.org/W2028503010","https://openalex.org/W2331494417","https://openalex.org/W1976606431","https://openalex.org/W2087227713","https://openalex.org/W2541266865","https://openalex.org/W3086403108","https://openalex.org/W2234463526","https://openalex.org/W2003526704"],"abstract_inverted_index":{"The":[0,95],"purpose":[1],"of":[2,11,89,123],"this":[3],"study":[4],"was":[5,80,113,139],"to":[6,39,82,163],"compare":[7,83],"the":[8,12,23,46,55,87,118,144,151,165,179],"muscle":[9,84],"activity":[10,104,122],"abdominal":[13,169],"and":[14,25,48,72,120,128,168,172],"lumbar":[15,66,166],"multifidus":[16,67,167],"during":[17,105,131],"unilateral":[18,42,152],"prone":[19,56],"hip":[20,43],"extension":[21,44,107,133],"on":[22,26,45,49,108,117,134,143,155],"floor":[24,47,145],"a":[27,41,50,109,135,156,174],"round":[28,51,110,136,157],"foam":[29,52,111,137,158],"roll.":[30],"Fifteen":[31],"healthy":[32],"participants":[33],"were":[34,37,62],"recruited.":[35],"They":[36],"instructed":[38],"perform":[40],"roll":[53,112,138,159],"in":[54],"position.":[57],"Surface":[58],"electromyography":[59],"(EMG)":[60],"signals":[61],"recorded":[63],"from":[64],"bilateral":[65,99,124],"(LM),":[68],"external":[69],"oblique":[70,74,170],"(EO),":[71],"internal":[73],"(IO)":[75],"muscles.":[76],"A":[77],"paired":[78],"t-test":[79],"used":[81,162],"activity,":[85],"with":[86],"level":[88],"significance":[90],"set":[91],"at":[92],"${\\alpha}$":[93],"=.05.":[94],"results":[96],"showed":[97],"that":[98,116,142,150],"LM,":[100,125],"EO,":[101,127],"IO":[102,130],"EMG":[103,121],"right-hip":[106],"greater":[114,140],"than":[115,141],"floor,":[119],"right":[126],"left":[129],"left-hip":[132],"(p<.05).":[146],"These":[147],"findings":[148],"suggest":[149],"hip-extension":[153],"exercise":[154],"can":[160],"be":[161],"activate":[164],"muscles":[171],"causes":[173],"different":[175],"increasing":[176],"pattern":[177],"between":[178],"two":[180],"lifting":[181],"sides.":[182]},"counts_by_year":[],"updated_date":"2026-11-13T13:42:25.865203","created_date":"2016-06-24T00:00:00"}