Analysis of individual differences in pelvic and spine alignment in seated posture and impact on the seatbelt kinematics using human body model
Analysis using human body models has been performed to reduce the impact of accidents; however, no analysis has shown a relationship between lumbar and pelvic/spine angle and seat belts in reducing human damage from accidents. Lumbar and pelvic/spine angles were measured in 75 individuals and the me...
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| Veröffentlicht in: | PloS one 2021-07, Vol.16 (7), p.e0254120 |
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| creator | Nishida, Norihiro Izumiyama, Tomohiro Asahi, Ryusuke Jiang, Fei Ohgi, Junji Yamagata, Hiroki Imajo, Yasuaki Suzuki, Hidenori Funaba, Masahiro Sugimoto, Shigeru Fukushima, Masanobu Chen, Xian Sakai, Takashi |
| description | Analysis using human body models has been performed to reduce the impact of accidents; however, no analysis has shown a relationship between lumbar and pelvic/spine angle and seat belts in reducing human damage from accidents. Lumbar and pelvic/spine angles were measured in 75 individuals and the measurements were used to create three different angles for the Total Human Model for Safety model. In the present study, we focused on lumber lordosis (LL) and pelvic angle (PA). A normal distribution and histogram were used for analysis of PA (01, 10, and 50). The Total Human Model for Safety, including LL and PA, was corrected using finite element software. Simulations were conducted under the conditions of the Japan New Car Assessment Programme (JNCAP) 56 kph full lap frontal impact. Using the results of the FEM, the amount of lap-belt cranial sliding-up, anterior movement of the pelvis, posterior tilt of the pelvis, head injury criterion (HIC), second cervical vertebrae (C2) compressive load, C2 moment, chest deflectiou (upper, middle, and lower), left and right femur load, and shoulder belt force were measured. The lap-belt cranial sliding-up was 1.91 and 2.37 for PA10 and PA01, respectively, compared to PA50; the anterior movement of the pelvis was 1.08 and 1.12 for PA10 and PA01, respectively; and the posterior tilt of the pelvis was 1.1 and 1.18 for PA10 and PA01, respectively. HIC was 1.13 for PA10 and 1.58 for PA01; there was no difference in C2 compressive load by PA, but C2 moment increased to 1.59 for PA10 and 2.72 for PA01. It was found that as LL increases and the PA decreases, the seat belt becomes likely to catch the iliac bone, making it harder to cause injury. This study could help to reconsider the safe seat and seatbelt position in the future. |
| doi_str_mv | 10.1371/journal.pone.0254120 |
| format | Article |
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Lumbar and pelvic/spine angles were measured in 75 individuals and the measurements were used to create three different angles for the Total Human Model for Safety model. In the present study, we focused on lumber lordosis (LL) and pelvic angle (PA). A normal distribution and histogram were used for analysis of PA (01, 10, and 50). The Total Human Model for Safety, including LL and PA, was corrected using finite element software. Simulations were conducted under the conditions of the Japan New Car Assessment Programme (JNCAP) 56 kph full lap frontal impact. Using the results of the FEM, the amount of lap-belt cranial sliding-up, anterior movement of the pelvis, posterior tilt of the pelvis, head injury criterion (HIC), second cervical vertebrae (C2) compressive load, C2 moment, chest deflectiou (upper, middle, and lower), left and right femur load, and shoulder belt force were measured. The lap-belt cranial sliding-up was 1.91 and 2.37 for PA10 and PA01, respectively, compared to PA50; the anterior movement of the pelvis was 1.08 and 1.12 for PA10 and PA01, respectively; and the posterior tilt of the pelvis was 1.1 and 1.18 for PA10 and PA01, respectively. HIC was 1.13 for PA10 and 1.58 for PA01; there was no difference in C2 compressive load by PA, but C2 moment increased to 1.59 for PA10 and 2.72 for PA01. It was found that as LL increases and the PA decreases, the seat belt becomes likely to catch the iliac bone, making it harder to cause injury. This study could help to reconsider the safe seat and seatbelt position in the future.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0254120</identifier><identifier>PMID: 34242288</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Accidents ; Accidents, Traffic - prevention & control ; Adult ; Analysis ; Attitude (inclination) ; Automobile safety ; Belt conveyors ; Biology and Life Sciences ; Biomechanical Phenomena ; Bone surgery ; Computer simulation ; Consent ; Female ; Femur ; Finite element analysis ; Finite element method ; Frontal impact ; Funding ; Head injuries ; Histograms ; Human body ; Humans ; Injuries ; Kinematics ; Lumbar Vertebrae - physiology ; Lumber ; Male ; Mathematical models ; Medicine ; Medicine and Health Sciences ; Normal distribution ; Orthopedics ; Passenger safety ; Pelvis ; Pelvis - physiology ; Physical Sciences ; Physiological aspects ; Posture ; Posture - physiology ; Research and Analysis Methods ; Seat Belts ; Sitting Position ; Skull ; Sliding ; Spine ; Spine (lumbar) ; Spine - physiology ; Traffic accidents & safety ; University graduates ; Vertebra ; Vertebrae ; Wounds and injuries</subject><ispartof>PloS one, 2021-07, Vol.16 (7), p.e0254120</ispartof><rights>COPYRIGHT 2021 Public Library of Science</rights><rights>2021 Nishida et al. This is an open access article distributed under the terms of the Creative Commons Attribution License: http://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>2021 Nishida et al 2021 Nishida et al</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c692t-c8f174269b9ce11ded4e6c4643fdfd4741149efd2da2a642429fd0cb908930213</citedby><cites>FETCH-LOGICAL-c692t-c8f174269b9ce11ded4e6c4643fdfd4741149efd2da2a642429fd0cb908930213</cites><orcidid>0000-0001-7754-6579 ; 0000-0002-3156-0591 ; 0000-0002-8111-4979 ; 0000-0001-6367-1299</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC8270461/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC8270461/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,864,885,2102,2928,23866,27924,27925,53791,53793,79600,79601</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/34242288$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><contributor>Lee, YunJu</contributor><creatorcontrib>Nishida, Norihiro</creatorcontrib><creatorcontrib>Izumiyama, Tomohiro</creatorcontrib><creatorcontrib>Asahi, Ryusuke</creatorcontrib><creatorcontrib>Jiang, Fei</creatorcontrib><creatorcontrib>Ohgi, Junji</creatorcontrib><creatorcontrib>Yamagata, Hiroki</creatorcontrib><creatorcontrib>Imajo, Yasuaki</creatorcontrib><creatorcontrib>Suzuki, Hidenori</creatorcontrib><creatorcontrib>Funaba, Masahiro</creatorcontrib><creatorcontrib>Sugimoto, Shigeru</creatorcontrib><creatorcontrib>Fukushima, Masanobu</creatorcontrib><creatorcontrib>Chen, Xian</creatorcontrib><creatorcontrib>Sakai, Takashi</creatorcontrib><title>Analysis of individual differences in pelvic and spine alignment in seated posture and impact on the seatbelt kinematics using human body model</title><title>PloS one</title><addtitle>PLoS One</addtitle><description>Analysis using human body models has been performed to reduce the impact of accidents; however, no analysis has shown a relationship between lumbar and pelvic/spine angle and seat belts in reducing human damage from accidents. Lumbar and pelvic/spine angles were measured in 75 individuals and the measurements were used to create three different angles for the Total Human Model for Safety model. In the present study, we focused on lumber lordosis (LL) and pelvic angle (PA). A normal distribution and histogram were used for analysis of PA (01, 10, and 50). The Total Human Model for Safety, including LL and PA, was corrected using finite element software. Simulations were conducted under the conditions of the Japan New Car Assessment Programme (JNCAP) 56 kph full lap frontal impact. Using the results of the FEM, the amount of lap-belt cranial sliding-up, anterior movement of the pelvis, posterior tilt of the pelvis, head injury criterion (HIC), second cervical vertebrae (C2) compressive load, C2 moment, chest deflectiou (upper, middle, and lower), left and right femur load, and shoulder belt force were measured. The lap-belt cranial sliding-up was 1.91 and 2.37 for PA10 and PA01, respectively, compared to PA50; the anterior movement of the pelvis was 1.08 and 1.12 for PA10 and PA01, respectively; and the posterior tilt of the pelvis was 1.1 and 1.18 for PA10 and PA01, respectively. HIC was 1.13 for PA10 and 1.58 for PA01; there was no difference in C2 compressive load by PA, but C2 moment increased to 1.59 for PA10 and 2.72 for PA01. It was found that as LL increases and the PA decreases, the seat belt becomes likely to catch the iliac bone, making it harder to cause injury. This study could help to reconsider the safe seat and seatbelt position in the future.</description><subject>Accidents</subject><subject>Accidents, Traffic - prevention & control</subject><subject>Adult</subject><subject>Analysis</subject><subject>Attitude (inclination)</subject><subject>Automobile safety</subject><subject>Belt conveyors</subject><subject>Biology and Life Sciences</subject><subject>Biomechanical Phenomena</subject><subject>Bone surgery</subject><subject>Computer simulation</subject><subject>Consent</subject><subject>Female</subject><subject>Femur</subject><subject>Finite element analysis</subject><subject>Finite element method</subject><subject>Frontal impact</subject><subject>Funding</subject><subject>Head injuries</subject><subject>Histograms</subject><subject>Human body</subject><subject>Humans</subject><subject>Injuries</subject><subject>Kinematics</subject><subject>Lumbar Vertebrae - physiology</subject><subject>Lumber</subject><subject>Male</subject><subject>Mathematical models</subject><subject>Medicine</subject><subject>Medicine and Health Sciences</subject><subject>Normal distribution</subject><subject>Orthopedics</subject><subject>Passenger safety</subject><subject>Pelvis</subject><subject>Pelvis - physiology</subject><subject>Physical Sciences</subject><subject>Physiological aspects</subject><subject>Posture</subject><subject>Posture - physiology</subject><subject>Research and Analysis Methods</subject><subject>Seat Belts</subject><subject>Sitting Position</subject><subject>Skull</subject><subject>Sliding</subject><subject>Spine</subject><subject>Spine (lumbar)</subject><subject>Spine - physiology</subject><subject>Traffic accidents & safety</subject><subject>University graduates</subject><subject>Vertebra</subject><subject>Vertebrae</subject><subject>Wounds and injuries</subject><issn>1932-6203</issn><issn>1932-6203</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>DOA</sourceid><recordid>eNqNk12L1DAUhoso7rr6D0QDgujFjE2afuRGGBY_BhYW_LoNaXIykzVNapMOzq_wL5vOzC4zshfSi5aT532T8zYny57jfI6LGr-78ePghJ333sE8JyXFJH-QnWNWkFlF8uLh0fdZ9iSEmzwvi6aqHmdnBSWUkKY5z_4sksc2mIC8RsYpszFqFBYpozUM4CSEVEY92I2RSDiFQm8cIGHNynXg4rQaQERQqPchjgPsKNP1QkbkHYpr2AEt2Ih-Jm0nopEBjcG4FVqPnXCo9WqLOq_APs0eaWEDPDu8L7LvHz98u_w8u7r-tLxcXM1kxUicyUbjmpKKtUwCxgoUhUrSihZaaUVrijFloBVRgohq6pZplcuW5Q0rcoKLi-zl3re3PvBDloGnGBkrqpoViVjuCeXFDe8H04lhy70wfFfww4qLIXVigTdQl6XQqlRM0lyULdWNoA2uasLatlXJ6_1ht7HtQMmU2yDsienpijNrvvIb3pA6p9V03DcHg8H_GiFE3pkgwVrhwI_Tuct0BVjDJvTVP-j93R2olUgNGKd92ldOpnxRJaJJIdFEze-h0qOgMzJdPG1S_UTw9kSQmAi_40qMIfDl1y__z17_OGVfH7FrEDaug7djNN6FU5DuQTn4EAbQdyHjnE9zc5sGn-aGH-YmyV4c_6A70e2gFH8BWcUVOg</recordid><startdate>20210709</startdate><enddate>20210709</enddate><creator>Nishida, Norihiro</creator><creator>Izumiyama, Tomohiro</creator><creator>Asahi, Ryusuke</creator><creator>Jiang, Fei</creator><creator>Ohgi, Junji</creator><creator>Yamagata, Hiroki</creator><creator>Imajo, Yasuaki</creator><creator>Suzuki, Hidenori</creator><creator>Funaba, Masahiro</creator><creator>Sugimoto, Shigeru</creator><creator>Fukushima, Masanobu</creator><creator>Chen, Xian</creator><creator>Sakai, Takashi</creator><general>Public Library of Science</general><general>Public Library of Science (PLoS)</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>IOV</scope><scope>ISR</scope><scope>3V.</scope><scope>7QG</scope><scope>7QL</scope><scope>7QO</scope><scope>7RV</scope><scope>7SN</scope><scope>7SS</scope><scope>7T5</scope><scope>7TG</scope><scope>7TM</scope><scope>7U9</scope><scope>7X2</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8AO</scope><scope>8C1</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>H94</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>KB.</scope><scope>KB0</scope><scope>KL.</scope><scope>L6V</scope><scope>LK8</scope><scope>M0K</scope><scope>M0S</scope><scope>M1P</scope><scope>M7N</scope><scope>M7P</scope><scope>M7S</scope><scope>NAPCQ</scope><scope>P5Z</scope><scope>P62</scope><scope>P64</scope><scope>PATMY</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope><scope>PYCSY</scope><scope>RC3</scope><scope>7X8</scope><scope>5PM</scope><scope>DOA</scope><orcidid>https://orcid.org/0000-0001-7754-6579</orcidid><orcidid>https://orcid.org/0000-0002-3156-0591</orcidid><orcidid>https://orcid.org/0000-0002-8111-4979</orcidid><orcidid>https://orcid.org/0000-0001-6367-1299</orcidid></search><sort><creationdate>20210709</creationdate><title>Analysis of individual differences in pelvic and spine alignment in seated posture and impact on the seatbelt kinematics using human body model</title><author>Nishida, Norihiro ; Izumiyama, Tomohiro ; Asahi, Ryusuke ; Jiang, Fei ; Ohgi, Junji ; Yamagata, Hiroki ; Imajo, Yasuaki ; Suzuki, Hidenori ; Funaba, Masahiro ; Sugimoto, Shigeru ; Fukushima, Masanobu ; Chen, Xian ; Sakai, Takashi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c692t-c8f174269b9ce11ded4e6c4643fdfd4741149efd2da2a642429fd0cb908930213</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Accidents</topic><topic>Accidents, Traffic - 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Academic</collection><collection>ProQuest Engineering Collection</collection><collection>ProQuest Biological Science Collection</collection><collection>Agricultural Science Database</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biological Science Database</collection><collection>Engineering Database</collection><collection>Nursing & Allied Health Premium</collection><collection>Advanced Technologies & Aerospace Database</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environmental Science Database</collection><collection>Materials Science Collection</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Engineering Collection</collection><collection>Environmental Science Collection</collection><collection>Genetics Abstracts</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>PloS one</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nishida, Norihiro</au><au>Izumiyama, Tomohiro</au><au>Asahi, Ryusuke</au><au>Jiang, Fei</au><au>Ohgi, Junji</au><au>Yamagata, Hiroki</au><au>Imajo, Yasuaki</au><au>Suzuki, Hidenori</au><au>Funaba, Masahiro</au><au>Sugimoto, Shigeru</au><au>Fukushima, Masanobu</au><au>Chen, Xian</au><au>Sakai, Takashi</au><au>Lee, YunJu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Analysis of individual differences in pelvic and spine alignment in seated posture and impact on the seatbelt kinematics using human body model</atitle><jtitle>PloS one</jtitle><addtitle>PLoS One</addtitle><date>2021-07-09</date><risdate>2021</risdate><volume>16</volume><issue>7</issue><spage>e0254120</spage><pages>e0254120-</pages><issn>1932-6203</issn><eissn>1932-6203</eissn><abstract>Analysis using human body models has been performed to reduce the impact of accidents; however, no analysis has shown a relationship between lumbar and pelvic/spine angle and seat belts in reducing human damage from accidents. Lumbar and pelvic/spine angles were measured in 75 individuals and the measurements were used to create three different angles for the Total Human Model for Safety model. In the present study, we focused on lumber lordosis (LL) and pelvic angle (PA). A normal distribution and histogram were used for analysis of PA (01, 10, and 50). The Total Human Model for Safety, including LL and PA, was corrected using finite element software. Simulations were conducted under the conditions of the Japan New Car Assessment Programme (JNCAP) 56 kph full lap frontal impact. Using the results of the FEM, the amount of lap-belt cranial sliding-up, anterior movement of the pelvis, posterior tilt of the pelvis, head injury criterion (HIC), second cervical vertebrae (C2) compressive load, C2 moment, chest deflectiou (upper, middle, and lower), left and right femur load, and shoulder belt force were measured. The lap-belt cranial sliding-up was 1.91 and 2.37 for PA10 and PA01, respectively, compared to PA50; the anterior movement of the pelvis was 1.08 and 1.12 for PA10 and PA01, respectively; and the posterior tilt of the pelvis was 1.1 and 1.18 for PA10 and PA01, respectively. HIC was 1.13 for PA10 and 1.58 for PA01; there was no difference in C2 compressive load by PA, but C2 moment increased to 1.59 for PA10 and 2.72 for PA01. It was found that as LL increases and the PA decreases, the seat belt becomes likely to catch the iliac bone, making it harder to cause injury. This study could help to reconsider the safe seat and seatbelt position in the future.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>34242288</pmid><doi>10.1371/journal.pone.0254120</doi><tpages>e0254120</tpages><orcidid>https://orcid.org/0000-0001-7754-6579</orcidid><orcidid>https://orcid.org/0000-0002-3156-0591</orcidid><orcidid>https://orcid.org/0000-0002-8111-4979</orcidid><orcidid>https://orcid.org/0000-0001-6367-1299</orcidid><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1932-6203 |
| ispartof | PloS one, 2021-07, Vol.16 (7), p.e0254120 |
| issn | 1932-6203 1932-6203 |
| language | eng |
| recordid | cdi_plos_journals_2549936793 |
| source | MEDLINE; DOAJ Directory of Open Access Journals; Public Library of Science (PLoS); EZB-FREE-00999 freely available EZB journals; PubMed Central; Free Full-Text Journals in Chemistry |
| subjects | Accidents Accidents, Traffic - prevention & control Adult Analysis Attitude (inclination) Automobile safety Belt conveyors Biology and Life Sciences Biomechanical Phenomena Bone surgery Computer simulation Consent Female Femur Finite element analysis Finite element method Frontal impact Funding Head injuries Histograms Human body Humans Injuries Kinematics Lumbar Vertebrae - physiology Lumber Male Mathematical models Medicine Medicine and Health Sciences Normal distribution Orthopedics Passenger safety Pelvis Pelvis - physiology Physical Sciences Physiological aspects Posture Posture - physiology Research and Analysis Methods Seat Belts Sitting Position Skull Sliding Spine Spine (lumbar) Spine - physiology Traffic accidents & safety University graduates Vertebra Vertebrae Wounds and injuries |
| title | Analysis of individual differences in pelvic and spine alignment in seated posture and impact on the seatbelt kinematics using human body model |
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