The use of surface EMG power spectral analysis in the evaluation of back muscle function
The rate of decline in the median frequency (MF) of the surface EMG power spectrum (MFgrad) has been evaluated for its use in monitoring the fatigability of the erector spinae muscles during the performance of submaximal isometric contractions. MFgrad consistently displayed a highly significant rela...
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| Veröffentlicht in: | Journal of rehabilitation research and development 1997-10, Vol.34 (4), p.427-439 |
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| creator | MANNION, A. F CONNOLLY, B WOOD, K DOLAN, P |
| description | The rate of decline in the median frequency (MF) of the surface EMG power spectrum (MFgrad) has been evaluated for its use in monitoring the fatigability of the erector spinae muscles during the performance of submaximal isometric contractions. MFgrad consistently displayed a highly significant relationship with endurance time for the task (p < 0.05), giving a slightly better correlation for contractions performed in lordotic postures, with the back muscles in a shortened position, than in flexed postures. No significant difference existed between mean MFgrad values recorded from the right and left erector spinae muscles, at either thoracic or lumbar levels. The back extensor muscles of men were more fatigable than those of women, and this has been discussed in relation to corresponding differences in muscle fiber type relative size. Greater erector spinae muscle fatigability was associated with both the existence of, and the risk of developing, serious low back pain. Possible mechanisms for the association, from retrospective and prospective points of view, have been advanced. |
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F ; CONNOLLY, B ; WOOD, K ; DOLAN, P</creator><creatorcontrib>MANNION, A. F ; CONNOLLY, B ; WOOD, K ; DOLAN, P</creatorcontrib><description>The rate of decline in the median frequency (MF) of the surface EMG power spectrum (MFgrad) has been evaluated for its use in monitoring the fatigability of the erector spinae muscles during the performance of submaximal isometric contractions. MFgrad consistently displayed a highly significant relationship with endurance time for the task (p < 0.05), giving a slightly better correlation for contractions performed in lordotic postures, with the back muscles in a shortened position, than in flexed postures. No significant difference existed between mean MFgrad values recorded from the right and left erector spinae muscles, at either thoracic or lumbar levels. The back extensor muscles of men were more fatigable than those of women, and this has been discussed in relation to corresponding differences in muscle fiber type relative size. Greater erector spinae muscle fatigability was associated with both the existence of, and the risk of developing, serious low back pain. Possible mechanisms for the association, from retrospective and prospective points of view, have been advanced.</description><identifier>ISSN: 0748-7711</identifier><identifier>EISSN: 1938-1352</identifier><identifier>PMID: 9323646</identifier><identifier>CODEN: JRRDDB</identifier><language>eng</language><publisher>Baltimore, MD: Rehabilitation Research and Development Service</publisher><subject>Analysis of Variance ; Anthropometry ; Back ; Biological and medical sciences ; Diseases of the osteoarticular system ; Diseases of the spine ; Electrodiagnosis. Electric activity recording ; Electromyography - methods ; Exercise Test ; Female ; Humans ; Investigative techniques, diagnostic techniques (general aspects) ; Isometric Contraction ; Linear Models ; Low Back Pain - diagnosis ; Low Back Pain - etiology ; Low Back Pain - physiopathology ; Male ; Medical research ; Medical sciences ; Muscle Fatigue ; Muscle, Skeletal - physiopathology ; Muscular system ; Nervous system ; Pain ; Physical Endurance ; Prospective Studies ; Regression Analysis ; Sex Factors</subject><ispartof>Journal of rehabilitation research and development, 1997-10, Vol.34 (4), p.427-439</ispartof><rights>1997 INIST-CNRS</rights><rights>Copyright Superintendent of Documents Oct 1997</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=2826111$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/9323646$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>MANNION, A. F</creatorcontrib><creatorcontrib>CONNOLLY, B</creatorcontrib><creatorcontrib>WOOD, K</creatorcontrib><creatorcontrib>DOLAN, P</creatorcontrib><title>The use of surface EMG power spectral analysis in the evaluation of back muscle function</title><title>Journal of rehabilitation research and development</title><addtitle>J Rehabil Res Dev</addtitle><description>The rate of decline in the median frequency (MF) of the surface EMG power spectrum (MFgrad) has been evaluated for its use in monitoring the fatigability of the erector spinae muscles during the performance of submaximal isometric contractions. MFgrad consistently displayed a highly significant relationship with endurance time for the task (p < 0.05), giving a slightly better correlation for contractions performed in lordotic postures, with the back muscles in a shortened position, than in flexed postures. No significant difference existed between mean MFgrad values recorded from the right and left erector spinae muscles, at either thoracic or lumbar levels. The back extensor muscles of men were more fatigable than those of women, and this has been discussed in relation to corresponding differences in muscle fiber type relative size. Greater erector spinae muscle fatigability was associated with both the existence of, and the risk of developing, serious low back pain. Possible mechanisms for the association, from retrospective and prospective points of view, have been advanced.</description><subject>Analysis of Variance</subject><subject>Anthropometry</subject><subject>Back</subject><subject>Biological and medical sciences</subject><subject>Diseases of the osteoarticular system</subject><subject>Diseases of the spine</subject><subject>Electrodiagnosis. Electric activity recording</subject><subject>Electromyography - methods</subject><subject>Exercise Test</subject><subject>Female</subject><subject>Humans</subject><subject>Investigative techniques, diagnostic techniques (general aspects)</subject><subject>Isometric Contraction</subject><subject>Linear Models</subject><subject>Low Back Pain - diagnosis</subject><subject>Low Back Pain - etiology</subject><subject>Low Back Pain - physiopathology</subject><subject>Male</subject><subject>Medical research</subject><subject>Medical sciences</subject><subject>Muscle Fatigue</subject><subject>Muscle, Skeletal - physiopathology</subject><subject>Muscular system</subject><subject>Nervous system</subject><subject>Pain</subject><subject>Physical Endurance</subject><subject>Prospective Studies</subject><subject>Regression Analysis</subject><subject>Sex Factors</subject><issn>0748-7711</issn><issn>1938-1352</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1997</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>8G5</sourceid><sourceid>BEC</sourceid><sourceid>BENPR</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNpdkE9Lw0AQxYMotVY_grCIeAvsziTZ3aOUWoWKlwrewmSzwdTNH7NZpd_eFIsHTw_m_d7AeyfRXGhUscAUTqM5l4mKpRTiPLrwfsc5BwQxi2YaAbMkm0dv23fLgresq5gPQ0XGstXzmvXdtx2Y760ZB3KMWnJ7X3tWt2ycEvaLXKCx7tpDsCDzwZrgjbOsCq053C-js4qct1dHXUSvD6vt8jHevKyflvebuIcMxrhMNQheAmgukZIqKdMCQSNKTVVpgDRkmCEViNyWWvE00aQyYVKUCFLiIrr7_dsP3Wewfsyb2hvrHLW2Cz6XGoWSKp3Am3_grgvD1MvnIFLQiUI-QddHKBSNLfN-qBsa9vlxr8m_PfrkDblqoNbU_g8DBZkQAn8A-jdyCQ</recordid><startdate>19971001</startdate><enddate>19971001</enddate><creator>MANNION, A. 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F ; CONNOLLY, B ; WOOD, K ; DOLAN, P</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p262t-d59210d229073a4f4d5b3293379afdc2a926363ab330ed980549a861c53732773</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1997</creationdate><topic>Analysis of Variance</topic><topic>Anthropometry</topic><topic>Back</topic><topic>Biological and medical sciences</topic><topic>Diseases of the osteoarticular system</topic><topic>Diseases of the spine</topic><topic>Electrodiagnosis. Electric activity recording</topic><topic>Electromyography - methods</topic><topic>Exercise Test</topic><topic>Female</topic><topic>Humans</topic><topic>Investigative techniques, diagnostic techniques (general aspects)</topic><topic>Isometric Contraction</topic><topic>Linear Models</topic><topic>Low Back Pain - diagnosis</topic><topic>Low Back Pain - etiology</topic><topic>Low Back Pain - physiopathology</topic><topic>Male</topic><topic>Medical research</topic><topic>Medical sciences</topic><topic>Muscle Fatigue</topic><topic>Muscle, Skeletal - physiopathology</topic><topic>Muscular system</topic><topic>Nervous system</topic><topic>Pain</topic><topic>Physical Endurance</topic><topic>Prospective Studies</topic><topic>Regression Analysis</topic><topic>Sex Factors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>MANNION, A. 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F</au><au>CONNOLLY, B</au><au>WOOD, K</au><au>DOLAN, P</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The use of surface EMG power spectral analysis in the evaluation of back muscle function</atitle><jtitle>Journal of rehabilitation research and development</jtitle><addtitle>J Rehabil Res Dev</addtitle><date>1997-10-01</date><risdate>1997</risdate><volume>34</volume><issue>4</issue><spage>427</spage><epage>439</epage><pages>427-439</pages><issn>0748-7711</issn><eissn>1938-1352</eissn><coden>JRRDDB</coden><abstract>The rate of decline in the median frequency (MF) of the surface EMG power spectrum (MFgrad) has been evaluated for its use in monitoring the fatigability of the erector spinae muscles during the performance of submaximal isometric contractions. MFgrad consistently displayed a highly significant relationship with endurance time for the task (p < 0.05), giving a slightly better correlation for contractions performed in lordotic postures, with the back muscles in a shortened position, than in flexed postures. No significant difference existed between mean MFgrad values recorded from the right and left erector spinae muscles, at either thoracic or lumbar levels. The back extensor muscles of men were more fatigable than those of women, and this has been discussed in relation to corresponding differences in muscle fiber type relative size. Greater erector spinae muscle fatigability was associated with both the existence of, and the risk of developing, serious low back pain. Possible mechanisms for the association, from retrospective and prospective points of view, have been advanced.</abstract><cop>Baltimore, MD</cop><pub>Rehabilitation Research and Development Service</pub><pmid>9323646</pmid><tpages>13</tpages></addata></record> |
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| ispartof | Journal of rehabilitation research and development, 1997-10, Vol.34 (4), p.427-439 |
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| source | U.S. Government Documents; MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Analysis of Variance Anthropometry Back Biological and medical sciences Diseases of the osteoarticular system Diseases of the spine Electrodiagnosis. Electric activity recording Electromyography - methods Exercise Test Female Humans Investigative techniques, diagnostic techniques (general aspects) Isometric Contraction Linear Models Low Back Pain - diagnosis Low Back Pain - etiology Low Back Pain - physiopathology Male Medical research Medical sciences Muscle Fatigue Muscle, Skeletal - physiopathology Muscular system Nervous system Pain Physical Endurance Prospective Studies Regression Analysis Sex Factors |
| title | The use of surface EMG power spectral analysis in the evaluation of back muscle function |
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