Optimal inertial sensor location for ambulatory measurement of trunk inclination
Abstract Trunk inclination (TI) is used often to quantify back loading in ergonomic workplace evaluation. The aim of the present study was to determine whether TI can be obtained using a single inertial sensor (IS) on the back, and to determine the optimal IS location on the back for the estimation...
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| Veröffentlicht in: | Journal of biomechanics 2009-10, Vol.42 (14), p.2406-2409 |
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| creator | Faber, Gert S Kingma, Idsart Bruijn, Sjoerd M van Dieën, Jaap H |
| description | Abstract Trunk inclination (TI) is used often to quantify back loading in ergonomic workplace evaluation. The aim of the present study was to determine whether TI can be obtained using a single inertial sensor (IS) on the back, and to determine the optimal IS location on the back for the estimation of TI. Gold standard TI, the angle between the vertical and the line connecting the L5/S1 joint and the trunk centre of mass, was measured using an optoelectronic system. Ten subjects performed experimental trials, each consisting of a symmetric and an asymmetric lifting task, and of a left–right lateral flexion movement. Trials were repeated and, in between trials, the IS was shifted in small steps from a location on the thorax towards a location on the sacrum. Optimal IS location was defined as the IS location with minimum root-mean-square (RMS) error between the gold standard TI and the IS TI. Averaged over subjects, the optimal IS location for symmetric and asymmetric lifting was at about 25% of the distance from the midpoint between the posterior superior iliac spines (MPSIS) to the C7 spinous process. The RMS error at this location, averaged over subjects, was 4.6±2.9°. For the left–right lateral flexion task, the optimal IS location was at about 30% of the MPSIS to C7 distance. Because in most activities of daily living, pure lateral flexion does not occur often, it is recommended place the IS at 25% of the distance from the MPSIS to C7. |
| doi_str_mv | 10.1016/j.jbiomech.2009.06.024 |
| format | Article |
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The aim of the present study was to determine whether TI can be obtained using a single inertial sensor (IS) on the back, and to determine the optimal IS location on the back for the estimation of TI. Gold standard TI, the angle between the vertical and the line connecting the L5/S1 joint and the trunk centre of mass, was measured using an optoelectronic system. Ten subjects performed experimental trials, each consisting of a symmetric and an asymmetric lifting task, and of a left–right lateral flexion movement. Trials were repeated and, in between trials, the IS was shifted in small steps from a location on the thorax towards a location on the sacrum. Optimal IS location was defined as the IS location with minimum root-mean-square (RMS) error between the gold standard TI and the IS TI. Averaged over subjects, the optimal IS location for symmetric and asymmetric lifting was at about 25% of the distance from the midpoint between the posterior superior iliac spines (MPSIS) to the C7 spinous process. The RMS error at this location, averaged over subjects, was 4.6±2.9°. For the left–right lateral flexion task, the optimal IS location was at about 30% of the MPSIS to C7 distance. Because in most activities of daily living, pure lateral flexion does not occur often, it is recommended place the IS at 25% of the distance from the MPSIS to C7.</description><identifier>ISSN: 0021-9290</identifier><identifier>EISSN: 1873-2380</identifier><identifier>DOI: 10.1016/j.jbiomech.2009.06.024</identifier><identifier>PMID: 19665138</identifier><language>eng</language><publisher>United States: Elsevier Ltd</publisher><subject>Acceleration ; Adult ; Ambulatory measurement ; Asymmetry ; Back - anatomy & histology ; Back - physiology ; Equipment Design ; Equipment Failure Analysis ; Ergonomics ; Humans ; Inertial sensor ; Low back pain ; Male ; Monitoring, Ambulatory - instrumentation ; Movement - physiology ; Physical Medicine and Rehabilitation ; Posture - physiology ; Reproducibility of Results ; Sensitivity and Specificity ; Sensors ; Thorax - anatomy & histology ; Thorax - physiology ; Transducers ; Trunk inclination</subject><ispartof>Journal of biomechanics, 2009-10, Vol.42 (14), p.2406-2409</ispartof><rights>Elsevier Ltd</rights><rights>2009 Elsevier Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c578t-3624e2353d72bfb5c75f468e63f5865f9a6333f6d246ae0bc5b73c6e28e2a9bc3</citedby><cites>FETCH-LOGICAL-c578t-3624e2353d72bfb5c75f468e63f5865f9a6333f6d246ae0bc5b73c6e28e2a9bc3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.proquest.com/docview/1034945829?pq-origsite=primo$$EHTML$$P50$$Gproquest$$H</linktohtml><link.rule.ids>314,777,781,3537,27905,27906,45976,64364,64366,64368,72218</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19665138$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Faber, Gert S</creatorcontrib><creatorcontrib>Kingma, Idsart</creatorcontrib><creatorcontrib>Bruijn, Sjoerd M</creatorcontrib><creatorcontrib>van Dieën, Jaap H</creatorcontrib><title>Optimal inertial sensor location for ambulatory measurement of trunk inclination</title><title>Journal of biomechanics</title><addtitle>J Biomech</addtitle><description>Abstract Trunk inclination (TI) is used often to quantify back loading in ergonomic workplace evaluation. The aim of the present study was to determine whether TI can be obtained using a single inertial sensor (IS) on the back, and to determine the optimal IS location on the back for the estimation of TI. Gold standard TI, the angle between the vertical and the line connecting the L5/S1 joint and the trunk centre of mass, was measured using an optoelectronic system. Ten subjects performed experimental trials, each consisting of a symmetric and an asymmetric lifting task, and of a left–right lateral flexion movement. Trials were repeated and, in between trials, the IS was shifted in small steps from a location on the thorax towards a location on the sacrum. Optimal IS location was defined as the IS location with minimum root-mean-square (RMS) error between the gold standard TI and the IS TI. Averaged over subjects, the optimal IS location for symmetric and asymmetric lifting was at about 25% of the distance from the midpoint between the posterior superior iliac spines (MPSIS) to the C7 spinous process. The RMS error at this location, averaged over subjects, was 4.6±2.9°. For the left–right lateral flexion task, the optimal IS location was at about 30% of the MPSIS to C7 distance. Because in most activities of daily living, pure lateral flexion does not occur often, it is recommended place the IS at 25% of the distance from the MPSIS to C7.</description><subject>Acceleration</subject><subject>Adult</subject><subject>Ambulatory measurement</subject><subject>Asymmetry</subject><subject>Back - anatomy & histology</subject><subject>Back - physiology</subject><subject>Equipment Design</subject><subject>Equipment Failure Analysis</subject><subject>Ergonomics</subject><subject>Humans</subject><subject>Inertial sensor</subject><subject>Low back pain</subject><subject>Male</subject><subject>Monitoring, Ambulatory - instrumentation</subject><subject>Movement - physiology</subject><subject>Physical Medicine and Rehabilitation</subject><subject>Posture - physiology</subject><subject>Reproducibility of Results</subject><subject>Sensitivity and Specificity</subject><subject>Sensors</subject><subject>Thorax - anatomy & histology</subject><subject>Thorax - physiology</subject><subject>Transducers</subject><subject>Trunk inclination</subject><issn>0021-9290</issn><issn>1873-2380</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNqFkl-L1TAQxYMo7t3Vr7AUBH1qnSbNn76IsugqLKygPoc0nWK6bXJNWuF-e1PvlYV9cCGQBH5zhjlnCLmsoaqhFm_HauxcmNH-rChAW4GogDZPyK5WkpWUKXhKdgC0Llvawhk5T2kEANnI9jk5q1sheM3Ujny93S9uNlPhPMbF5UdCn0IspmDN4oIvhvwxc7dOZgnxUMxo0hpxRr8UYSiWuPq7XGwn5__yL8izwUwJX57uC_Lj08fvV5_Lm9vrL1cfbkrLpVpKJmiDlHHWS9oNHbeSD41QKNjAleBDawRjbBA9bYRB6CzvJLMCqUJq2s6yC_LmqLuP4deKadGzSxanyXgMa9KSNSCBKZXJ1_8lWdPSbAs8CtIahFRsU3z1ABzDGn0eV9eQ5RquaJspcaRsDClFHPQ-ZqvjIUN6C1GP-l-IegtRg9A5xFx4eZJfuxn7-7JTahl4fwQwG_zbYdTJOvQWexfRLroP7vEe7x5IbAk6a6Y7PGC6n0cnqkF_21Zp2yTIhwkO7A_oMcWM</recordid><startdate>20091016</startdate><enddate>20091016</enddate><creator>Faber, Gert S</creator><creator>Kingma, Idsart</creator><creator>Bruijn, Sjoerd M</creator><creator>van Dieën, Jaap H</creator><general>Elsevier Ltd</general><general>Elsevier Limited</general><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>3V.</scope><scope>7QP</scope><scope>7TB</scope><scope>7TS</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8AO</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>8G5</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</scope><scope>M2O</scope><scope>M7P</scope><scope>MBDVC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>Q9U</scope><scope>7T2</scope><scope>7U2</scope><scope>C1K</scope><scope>7X8</scope></search><sort><creationdate>20091016</creationdate><title>Optimal inertial sensor location for ambulatory measurement of trunk inclination</title><author>Faber, Gert S ; Kingma, Idsart ; Bruijn, Sjoerd M ; van Dieën, Jaap H</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c578t-3624e2353d72bfb5c75f468e63f5865f9a6333f6d246ae0bc5b73c6e28e2a9bc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Acceleration</topic><topic>Adult</topic><topic>Ambulatory measurement</topic><topic>Asymmetry</topic><topic>Back - anatomy & histology</topic><topic>Back - physiology</topic><topic>Equipment Design</topic><topic>Equipment Failure Analysis</topic><topic>Ergonomics</topic><topic>Humans</topic><topic>Inertial sensor</topic><topic>Low back pain</topic><topic>Male</topic><topic>Monitoring, Ambulatory - instrumentation</topic><topic>Movement - physiology</topic><topic>Physical Medicine and Rehabilitation</topic><topic>Posture - physiology</topic><topic>Reproducibility of Results</topic><topic>Sensitivity and Specificity</topic><topic>Sensors</topic><topic>Thorax - anatomy & histology</topic><topic>Thorax - physiology</topic><topic>Transducers</topic><topic>Trunk inclination</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Faber, Gert S</creatorcontrib><creatorcontrib>Kingma, Idsart</creatorcontrib><creatorcontrib>Bruijn, Sjoerd M</creatorcontrib><creatorcontrib>van Dieën, Jaap H</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Physical Education Index</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Research Library (Alumni Edition)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>Research Library Prep</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>ProQuest Biological Science Collection</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Research Library</collection><collection>Biological Science Database</collection><collection>Research Library (Corporate)</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>ProQuest Central Basic</collection><collection>Health and Safety Science Abstracts (Full archive)</collection><collection>Safety Science and Risk</collection><collection>Environmental Sciences and Pollution Management</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of biomechanics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Faber, Gert S</au><au>Kingma, Idsart</au><au>Bruijn, Sjoerd M</au><au>van Dieën, Jaap H</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Optimal inertial sensor location for ambulatory measurement of trunk inclination</atitle><jtitle>Journal of biomechanics</jtitle><addtitle>J Biomech</addtitle><date>2009-10-16</date><risdate>2009</risdate><volume>42</volume><issue>14</issue><spage>2406</spage><epage>2409</epage><pages>2406-2409</pages><issn>0021-9290</issn><eissn>1873-2380</eissn><abstract>Abstract Trunk inclination (TI) is used often to quantify back loading in ergonomic workplace evaluation. The aim of the present study was to determine whether TI can be obtained using a single inertial sensor (IS) on the back, and to determine the optimal IS location on the back for the estimation of TI. Gold standard TI, the angle between the vertical and the line connecting the L5/S1 joint and the trunk centre of mass, was measured using an optoelectronic system. Ten subjects performed experimental trials, each consisting of a symmetric and an asymmetric lifting task, and of a left–right lateral flexion movement. Trials were repeated and, in between trials, the IS was shifted in small steps from a location on the thorax towards a location on the sacrum. Optimal IS location was defined as the IS location with minimum root-mean-square (RMS) error between the gold standard TI and the IS TI. Averaged over subjects, the optimal IS location for symmetric and asymmetric lifting was at about 25% of the distance from the midpoint between the posterior superior iliac spines (MPSIS) to the C7 spinous process. The RMS error at this location, averaged over subjects, was 4.6±2.9°. For the left–right lateral flexion task, the optimal IS location was at about 30% of the MPSIS to C7 distance. Because in most activities of daily living, pure lateral flexion does not occur often, it is recommended place the IS at 25% of the distance from the MPSIS to C7.</abstract><cop>United States</cop><pub>Elsevier Ltd</pub><pmid>19665138</pmid><doi>10.1016/j.jbiomech.2009.06.024</doi><tpages>4</tpages></addata></record> |
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| subjects | Acceleration Adult Ambulatory measurement Asymmetry Back - anatomy & histology Back - physiology Equipment Design Equipment Failure Analysis Ergonomics Humans Inertial sensor Low back pain Male Monitoring, Ambulatory - instrumentation Movement - physiology Physical Medicine and Rehabilitation Posture - physiology Reproducibility of Results Sensitivity and Specificity Sensors Thorax - anatomy & histology Thorax - physiology Transducers Trunk inclination |
| title | Optimal inertial sensor location for ambulatory measurement of trunk inclination |
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