Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/65329
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dc.contributorDepartment of Biomedical Engineering-
dc.creatorRen, Sen_US
dc.creatorWong, DWCen_US
dc.creatorYang, Hen_US
dc.creatorZhou, Yen_US
dc.creatorLin, Jen_US
dc.creatorZhang, Men_US
dc.date.accessioned2017-05-22T02:08:24Z-
dc.date.available2017-05-22T02:08:24Z-
dc.identifier.urihttp://hdl.handle.net/10397/65329-
dc.language.isoenen_US
dc.publisherPeerJ, Ltd.en_US
dc.rights© 2016 Ren et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, reproduction and adaptation in any medium and for any purpose provided that it is properly attributed. For attribution, the original author(s), title, publication source (PeerJ) and either DOI or URL of the article must be cited.en_US
dc.rightsThe following publication Ren S, Wong DW, Yang H, Zhou Y, Lin J, Zhang M. 2016. Effect of pillow height on the biomechanics of the head-neck complex: investigation of the cranio-cervical pressure and cervical spine alignment. PeerJ 4:e2397, is available at https://doi.org/10.7717/peerj.2397en_US
dc.subjectCervical spine alignmenten_US
dc.subjectCranio-cervical pressureen_US
dc.subjectFinite element analysisen_US
dc.subjectPillow designen_US
dc.titleEffect of pillow height on the biomechanics of the head-neck complex : investigation of the cranio-cervical pressure and cervical spine alignmenten_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.spage1en_US
dc.identifier.epage18en_US
dc.identifier.volume2016en_US
dc.identifier.issue8en_US
dc.identifier.doi10.7717/PEERJ.2397en_US
dcterms.abstractBackground. While appropriate pillow height is crucial to maintaining the quality of sleep and overall health, there are no universal, evidence-based guidelines for pillow design or selection. We aimed to evaluate the effect of pillow height on cranio-cervical pressure and cervical spine alignment.-
dcterms.abstractMethods. Ten healthy subjects (five males) aged 26 ± 3.6 years were recruited. The average height, weight, and neck length were 167 ± 9.3 cm, 59.6 ± 11.9 kg, and 12.9 ± 1.2 cm respectively. The subjects lay on pillows of four different heights (H0, 110 mm; H1, 130 mm; H2, 150 mm; and H3, 170 mm). The cranio-cervical pressure distribution over the pillow was recorded; the peak and average pressures for each pillow height were compared by one-way ANOVA with repeated measures. Cervical spine alignment was studied using a finite element model constructed based on data from the Visible Human Project. The coordinate of the center of each cervical vertebra were predicted for each pillow height. Three spine alignment parameters (cervical angle, lordosis distance and kyphosis distance) were identified.-
dcterms.abstractResults. The average cranial pressure at pillow height H3 was approximately 30% higher than that at H0, and significantly different from those at H1 and H2 (p < 0.05). The average cervical pressure at pillow height H0 was 65% lower than that at H3, and significantly different from those at H1 and H2 (p < 0.05). The peak cervical pressures at pillow heights H2 and H3 were significantly different from that at H0 (p < 0.05). With respect to cervical spine alignment, raising pillow height from H0 to H3 caused an increase of 66.4% and 25.1% in cervical angle and lordosis distance, respectively, and a reduction of 43.4% in kyphosis distance.-
dcterms.abstractDiscussion. Pillow height elevation significantly increased the average and peak pressures of the cranial and cervical regions, and increased the extension and lordosis of the cervical spine. The cranio-cervical pressures and cervical spine alignment were height-specific, and they were believed to reflect quality of sleep. Our results provide a quantitative and objective evaluation of the effect of pillow height on the biomechanics of the head-neck complex, and have application in pillow design and selection.-
dcterms.accessRightsopen access-
dcterms.bibliographicCitationPeerJ, 31 Aug. 2016, no. 8, e2397, p. 1-18en_US
dcterms.isPartOfPeerJen_US
dcterms.issued2016-08-31-
dc.identifier.isiWOS:000383263900009-
dc.identifier.scopus2-s2.0-84992126879-
dc.identifier.ros2016002330-
dc.identifier.eissn2167-8359en_US
dc.identifier.artne2397en_US
dc.identifier.rosgroupid2016002282-
dc.description.ros2016-2017 > Academic research: refereed > Publication in refereed journalen_US
dc.description.validate201901_a bcmaen_US
dc.description.oaVersion of Record-
dc.identifier.FolderNumbera0641-n06-
dc.description.fundingSourceSelf-funded-
dc.description.pubStatusPublished-
dc.description.oaCategoryCCen_US
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