{"id":"https://openalex.org/W2399475334","doi":null,"title":"Some differences of the electromyographic erector spinae activity between normal subjects and low back pain patients during the generation of isometric trunk torque.","display_name":"Some differences of the electromyographic erector spinae activity between normal subjects and low back pain patients during the generation of isometric trunk torque.","publication_year":1994,"publication_date":"1994-12-01","ids":{"openalex":"https://openalex.org/W2399475334","mag":"2399475334","pmid":"https://pubmed.ncbi.nlm.nih.gov/7882893"},"language":"en","primary_location":{"id":"pmid:7882893","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/7882893","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":"Electromyography and clinical neurophysiology","raw_type":"Journal Article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["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/A5024816199","display_name":"A R Alexiev","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"A R Alexiev","raw_affiliation_strings":["National Center of Physical Therapy and Rehabilitation, Sofia, Bulgaria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Center of Physical Therapy and Rehabilitation, Sofia, Bulgaria","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5024816199"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":30,"citation_normalized_percentile":{"value":0.32952997,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":95},"biblio":{"volume":"34","issue":"8","first_page":"495","last_page":"9"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10784","display_name":"Muscle activation and electromyography studies","score":0.8237000107765198,"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":0.8237000107765198,"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/T10084","display_name":"Musculoskeletal pain and rehabilitation","score":0.1469999998807907,"subfield":{"id":"https://openalex.org/subfields/3612","display_name":"Physical Therapy, Sports Therapy and Rehabilitation"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10238","display_name":"Spine and Intervertebral Disc Pathology","score":0.012600000016391277,"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/low-back-pain","display_name":"low back pain","score":0.9879999756813049},{"id":"https://openalex.org/keywords/erector-spinae-muscle","display_name":"erector spinae","score":0.9520000219345093},{"id":"https://openalex.org/keywords/muscle-strength","display_name":"muscle strength","score":0.5830000042915344},{"id":"https://openalex.org/keywords/paraspinal-muscles","display_name":"paraspinal muscles","score":0.7879999876022339},{"id":"https://openalex.org/keywords/muscle-asymmetry","display_name":"muscle asymmetry","score":0.6389999985694885},{"id":"https://openalex.org/keywords/surface-electromyography","display_name":"surface electromyography","score":0.6919999718666077}],"concepts":[{"id":"https://openalex.org/C103486182","wikidata":"https://www.wikidata.org/wiki/Q1216236","display_name":"Isometric exercise","level":2,"score":0.8948888778686523},{"id":"https://openalex.org/C2777515770","wikidata":"https://www.wikidata.org/wiki/Q507369","display_name":"Electromyography","level":2,"score":0.7759085893630981},{"id":"https://openalex.org/C2779151272","wikidata":"https://www.wikidata.org/wiki/Q774933","display_name":"Erector spinae muscles","level":3,"score":0.6133772134780884},{"id":"https://openalex.org/C2780907711","wikidata":"https://www.wikidata.org/wiki/Q852163","display_name":"Low back pain","level":3,"score":0.59871506690979},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.5955621600151062},{"id":"https://openalex.org/C2781197403","wikidata":"https://www.wikidata.org/wiki/Q193472","display_name":"Trunk","level":2,"score":0.5916096568107605},{"id":"https://openalex.org/C99508421","wikidata":"https://www.wikidata.org/wiki/Q2678675","display_name":"Physical medicine and rehabilitation","level":1,"score":0.5644375085830688},{"id":"https://openalex.org/C2776050358","wikidata":"https://www.wikidata.org/wiki/Q127006","display_name":"Muscle contraction","level":2,"score":0.44447246193885803},{"id":"https://openalex.org/C2776501849","wikidata":"https://www.wikidata.org/wiki/Q5781808","display_name":"Back pain","level":3,"score":0.4108569324016571},{"id":"https://openalex.org/C1862650","wikidata":"https://www.wikidata.org/wiki/Q186005","display_name":"Physical therapy","level":1,"score":0.385115385055542},{"id":"https://openalex.org/C105702510","wikidata":"https://www.wikidata.org/wiki/Q514","display_name":"Anatomy","level":1,"score":0.2586897611618042},{"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},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001415","descriptor_name":"Back","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true},{"descriptor_ui":"D004576","descriptor_name":"Electromyography","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":true},{"descriptor_ui":"D005069","descriptor_name":"Evaluation Studies as Topic","qualifier_ui":null,"qualifier_name":null,"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":"D007537","descriptor_name":"Isometric Contraction","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D009119","descriptor_name":"Muscle Contraction","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D011187","descriptor_name":"Posture","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D012399","descriptor_name":"Rotation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012737","descriptor_name":"Sex Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D017116","descriptor_name":"Low Back Pain","qualifier_ui":"Q000503","qualifier_name":"physiopathology","is_major_topic":true},{"descriptor_ui":"D018482","descriptor_name":"Muscle, Skeletal","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true}],"locations_count":2,"locations":[{"id":"pmid:7882893","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/7882893","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":"Electromyography and clinical neurophysiology","raw_type":"Journal Article"},{"id":"mag:2399475334","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/7882893","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":null,"is_accepted":false,"is_published":false,"raw_source_name":"PubMed","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.9391000270843506,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"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":0,"referenced_works":[],"related_works":["https://openalex.org/W2776361361","https://openalex.org/W2137387264","https://openalex.org/W7213554685","https://openalex.org/W2156202290","https://openalex.org/W9832620","https://openalex.org/W2040397974","https://openalex.org/W2014845348","https://openalex.org/W2110269181","https://openalex.org/W2587931163","https://openalex.org/W2319930495"],"abstract_inverted_index":{"A":[0],"method":[1],"of":[2,4,14,37,55,61],"evaluation":[3],"the":[5,15,31,47,59,114],"isometric":[6],"trunk":[7],"extension":[8],"effort":[9],"and":[10,71,83,100,110,122],"integrated":[11,117],"electromyographic":[12,118],"activity":[13,82,119],"low":[16,68],"back":[17,69],"muscles":[18,50],"during":[19],"straight":[20],"position":[21],"under":[22,120],"goniometric":[23],"control":[24],"was":[25,85,95,127,138],"used.":[26],"In":[27],"order":[28],"to":[29,76,129],"evaluate":[30],"paravertebral":[32],"muscle":[33,150],"activity,":[34],"two":[35],"pairs":[36],"bipolar":[38],"surface":[39],"EMG":[40,81,103],"electrodes":[41],"have":[42],"been":[43],"attached":[44],"bilaterally":[45],"over":[46],"erector":[48],"spinae":[49],"at":[51,58],"a":[52,143],"lateral":[53],"distance":[54],"3":[56],"cm":[57],"level":[60],"L3":[62],"spinal":[63],"processus.":[64],"40":[65,72],"patients":[66,135,142],"with":[67,147],"pain":[70],"normals":[73,88],"were":[74],"involved":[75],"participate":[77],"in":[78,87,90,98,102,113,131,134,141],"this":[79,93,136],"study.":[80],"strength":[84],"higher":[86,149],"than":[89],"patients.":[91],"However,":[92],"distinction":[94],"statistical":[96],"significant":[97],"strength,":[99],"nonsignificant":[101],"activity.":[104,151],"Patients":[105],"showed":[106],"relatively":[107,148],"higher,":[108],"asymmetric":[109],"more":[111],"expressive":[112],"painful":[115],"side":[116],"maximal":[121],"submaximal":[123],"contraction.":[124],"Strength/EMS":[125],"relationship":[126],"close":[128],"linear":[130],"normals,":[132],"whereas":[133],"proportionality":[137],"nonlinear.":[139],"Therefore":[140],"smaller":[144],"tension":[145],"correlated":[146]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
