Three-dimensional spinal motion and risk of low back injury during sheep shearing
Sheep shearers are known to work in sustained flexed postures and have a high prevalence of low back pain (LBP). As sustained posture and spinal movement asymmetry under substantial loads are known risk factors for back injury our aim was to describe the 3D spinal movement of shearers while working....
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| Veröffentlicht in: | Applied ergonomics 2007-05, Vol.38 (3), p.299-306 |
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| creator | Milosavljevic, Stephan Carman, Allan B. Schneiders, Anthony G. Milburn, Peter D. Wilson, Barry D. |
| description | Sheep shearers are known to work in sustained flexed postures and have a high prevalence of low back pain (LBP). As sustained posture and spinal movement asymmetry under substantial loads are known risk factors for back injury our aim was to describe the 3D spinal movement of shearers while working. We hypothesised that thoraco-lumbar and lumbo-sacral movement would be tri-axial, asymmetric, and task specific.
Sufficient retro-reflective markers were placed on the trunk of 12 shearers to define thoraco-lumbar and lumbo-sacral 3D motion during three tasks. Thoraco-lumbar movement consistently involved flexion, left lateral flexion, and right rotation. Lumbo-sacral movement consistently involved right lateral flexion in flexion with minimal rotation.
Shearers therefore work in sustained spinal flexion where concurrent, asymmetric spinal movements into both lateral flexion and rotation occur. These asymmetric movements combined with repetitive loading may be risk factors leading to the high incidence of LBP in this occupational group. |
| doi_str_mv | 10.1016/j.apergo.2006.04.026 |
| format | Article |
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Sufficient retro-reflective markers were placed on the trunk of 12 shearers to define thoraco-lumbar and lumbo-sacral 3D motion during three tasks. Thoraco-lumbar movement consistently involved flexion, left lateral flexion, and right rotation. Lumbo-sacral movement consistently involved right lateral flexion in flexion with minimal rotation.
Shearers therefore work in sustained spinal flexion where concurrent, asymmetric spinal movements into both lateral flexion and rotation occur. These asymmetric movements combined with repetitive loading may be risk factors leading to the high incidence of LBP in this occupational group.</description><identifier>ISSN: 0003-6870</identifier><identifier>EISSN: 1872-9126</identifier><identifier>DOI: 10.1016/j.apergo.2006.04.026</identifier><identifier>PMID: 16842737</identifier><identifier>CODEN: AERGBW</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>3-D graphics ; 3D spinal movement ; Adult ; Animals ; Applied physiology ; Back pain ; Biological and medical sciences ; Biomechanical Phenomena - methods ; Diseases of the osteoarticular system ; Diseases of the spine ; Ergonomics. Work place. Occupational physiology ; Human physiology applied to population studies and life conditions. Human ecophysiology ; Humans ; Low back pain ; Low Back Pain - prevention & control ; Lumbosacral Region - physiology ; Male ; Medical sciences ; Middle Aged ; Motion ; Muscle, Skeletal - physiology ; New Zealand ; Occupational accidents ; Occupational Exposure ; Range of Motion, Articular ; Risk factors ; Sheep shearing ; Sheep, Domestic ; Spine ; Studies ; Wool</subject><ispartof>Applied ergonomics, 2007-05, Vol.38 (3), p.299-306</ispartof><rights>2006 Elsevier Ltd</rights><rights>2007 INIST-CNRS</rights><rights>Copyright Elsevier Science Ltd. May 2007</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c448t-d6975803479a59b5dac114cf99836e48cc365f765445c4302a8f81785486c5113</citedby><cites>FETCH-LOGICAL-c448t-d6975803479a59b5dac114cf99836e48cc365f765445c4302a8f81785486c5113</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.apergo.2006.04.026$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18458576$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16842737$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Milosavljevic, Stephan</creatorcontrib><creatorcontrib>Carman, Allan B.</creatorcontrib><creatorcontrib>Schneiders, Anthony G.</creatorcontrib><creatorcontrib>Milburn, Peter D.</creatorcontrib><creatorcontrib>Wilson, Barry D.</creatorcontrib><title>Three-dimensional spinal motion and risk of low back injury during sheep shearing</title><title>Applied ergonomics</title><addtitle>Appl Ergon</addtitle><description>Sheep shearers are known to work in sustained flexed postures and have a high prevalence of low back pain (LBP). As sustained posture and spinal movement asymmetry under substantial loads are known risk factors for back injury our aim was to describe the 3D spinal movement of shearers while working. We hypothesised that thoraco-lumbar and lumbo-sacral movement would be tri-axial, asymmetric, and task specific.
Sufficient retro-reflective markers were placed on the trunk of 12 shearers to define thoraco-lumbar and lumbo-sacral 3D motion during three tasks. Thoraco-lumbar movement consistently involved flexion, left lateral flexion, and right rotation. Lumbo-sacral movement consistently involved right lateral flexion in flexion with minimal rotation.
Shearers therefore work in sustained spinal flexion where concurrent, asymmetric spinal movements into both lateral flexion and rotation occur. These asymmetric movements combined with repetitive loading may be risk factors leading to the high incidence of LBP in this occupational group.</description><subject>3-D graphics</subject><subject>3D spinal movement</subject><subject>Adult</subject><subject>Animals</subject><subject>Applied physiology</subject><subject>Back pain</subject><subject>Biological and medical sciences</subject><subject>Biomechanical Phenomena - methods</subject><subject>Diseases of the osteoarticular system</subject><subject>Diseases of the spine</subject><subject>Ergonomics. Work place. Occupational physiology</subject><subject>Human physiology applied to population studies and life conditions. Human ecophysiology</subject><subject>Humans</subject><subject>Low back pain</subject><subject>Low Back Pain - prevention & control</subject><subject>Lumbosacral Region - physiology</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Motion</subject><subject>Muscle, Skeletal - physiology</subject><subject>New Zealand</subject><subject>Occupational accidents</subject><subject>Occupational Exposure</subject><subject>Range of Motion, Articular</subject><subject>Risk factors</subject><subject>Sheep shearing</subject><subject>Sheep, Domestic</subject><subject>Spine</subject><subject>Studies</subject><subject>Wool</subject><issn>0003-6870</issn><issn>1872-9126</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kM1q3DAURkVpaSZp3yAEUWh2dvQveVMIoU0KgVJI1kIjXydybMuVxil5-8rMQCCLbnT54NwP3YPQKSU1JVRd9LWbIT3EmhGiaiJqwtQ7tKFGs6qhTL1HG0IIr5TR5Agd59yXaASVH9ERVUYwzfUG_b57TABVG0aYcoiTG3CewzrGuCsZu6nFKeQnHDs8xL946_wTDlO_pBfcLilMDzg_Aszr69b4CX3o3JDh82GeoPsf3--ubqrbX9c_ry5vKy-E2VWtarQ0hAvdONlsZes8pcJ3TWO4AmG850p2WkkhpBecMGc6Q7WRwigvKeUn6HzfO6f4Z4G8s2PIHobBTRCXbBnRjBulCvjlDdjHJZUTV0YyYyTnBRJ7yKeYc4LOzimMLr1YSuzq2_Z279uuvi0Rtvgua2eH7mU7Qvu6dBBcgK8HwGXvhi65yYf8yhkhjdRr0bc9B0XZc4Bksw8weWhDAr-zbQz__8k_mxGeIg</recordid><startdate>20070501</startdate><enddate>20070501</enddate><creator>Milosavljevic, Stephan</creator><creator>Carman, Allan B.</creator><creator>Schneiders, Anthony G.</creator><creator>Milburn, Peter D.</creator><creator>Wilson, Barry D.</creator><general>Elsevier Ltd</general><general>Elsevier</general><general>Elsevier Science Ltd</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7T2</scope><scope>C1K</scope><scope>7U1</scope><scope>7U2</scope></search><sort><creationdate>20070501</creationdate><title>Three-dimensional spinal motion and risk of low back injury during sheep shearing</title><author>Milosavljevic, Stephan ; Carman, Allan B. ; Schneiders, Anthony G. ; Milburn, Peter D. ; Wilson, Barry D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c448t-d6975803479a59b5dac114cf99836e48cc365f765445c4302a8f81785486c5113</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>3-D graphics</topic><topic>3D spinal movement</topic><topic>Adult</topic><topic>Animals</topic><topic>Applied physiology</topic><topic>Back pain</topic><topic>Biological and medical sciences</topic><topic>Biomechanical Phenomena - methods</topic><topic>Diseases of the osteoarticular system</topic><topic>Diseases of the spine</topic><topic>Ergonomics. Work place. Occupational physiology</topic><topic>Human physiology applied to population studies and life conditions. Human ecophysiology</topic><topic>Humans</topic><topic>Low back pain</topic><topic>Low Back Pain - prevention & control</topic><topic>Lumbosacral Region - physiology</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Middle Aged</topic><topic>Motion</topic><topic>Muscle, Skeletal - physiology</topic><topic>New Zealand</topic><topic>Occupational accidents</topic><topic>Occupational Exposure</topic><topic>Range of Motion, Articular</topic><topic>Risk factors</topic><topic>Sheep shearing</topic><topic>Sheep, Domestic</topic><topic>Spine</topic><topic>Studies</topic><topic>Wool</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Milosavljevic, Stephan</creatorcontrib><creatorcontrib>Carman, Allan B.</creatorcontrib><creatorcontrib>Schneiders, Anthony G.</creatorcontrib><creatorcontrib>Milburn, Peter D.</creatorcontrib><creatorcontrib>Wilson, Barry D.</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Health and Safety Science Abstracts (Full archive)</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Risk Abstracts</collection><collection>Safety Science and Risk</collection><jtitle>Applied ergonomics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Milosavljevic, Stephan</au><au>Carman, Allan B.</au><au>Schneiders, Anthony G.</au><au>Milburn, Peter D.</au><au>Wilson, Barry D.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Three-dimensional spinal motion and risk of low back injury during sheep shearing</atitle><jtitle>Applied ergonomics</jtitle><addtitle>Appl Ergon</addtitle><date>2007-05-01</date><risdate>2007</risdate><volume>38</volume><issue>3</issue><spage>299</spage><epage>306</epage><pages>299-306</pages><issn>0003-6870</issn><eissn>1872-9126</eissn><coden>AERGBW</coden><abstract>Sheep shearers are known to work in sustained flexed postures and have a high prevalence of low back pain (LBP). As sustained posture and spinal movement asymmetry under substantial loads are known risk factors for back injury our aim was to describe the 3D spinal movement of shearers while working. We hypothesised that thoraco-lumbar and lumbo-sacral movement would be tri-axial, asymmetric, and task specific.
Sufficient retro-reflective markers were placed on the trunk of 12 shearers to define thoraco-lumbar and lumbo-sacral 3D motion during three tasks. Thoraco-lumbar movement consistently involved flexion, left lateral flexion, and right rotation. Lumbo-sacral movement consistently involved right lateral flexion in flexion with minimal rotation.
Shearers therefore work in sustained spinal flexion where concurrent, asymmetric spinal movements into both lateral flexion and rotation occur. These asymmetric movements combined with repetitive loading may be risk factors leading to the high incidence of LBP in this occupational group.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><pmid>16842737</pmid><doi>10.1016/j.apergo.2006.04.026</doi><tpages>8</tpages></addata></record> |
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| subjects | 3-D graphics 3D spinal movement Adult Animals Applied physiology Back pain Biological and medical sciences Biomechanical Phenomena - methods Diseases of the osteoarticular system Diseases of the spine Ergonomics. Work place. Occupational physiology Human physiology applied to population studies and life conditions. Human ecophysiology Humans Low back pain Low Back Pain - prevention & control Lumbosacral Region - physiology Male Medical sciences Middle Aged Motion Muscle, Skeletal - physiology New Zealand Occupational accidents Occupational Exposure Range of Motion, Articular Risk factors Sheep shearing Sheep, Domestic Spine Studies Wool |
| title | Three-dimensional spinal motion and risk of low back injury during sheep shearing |
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