| Shear stress measured on beds and wheelchairs. | |
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MedLine Citation:
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PMID: 9271146 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Local shear is understood to be one of the principal risk factors for the development of pressure sores. There is a need for a small deformable sensor that can measure the shear force between skin and deformable materials without disturbing the shear phenomenon. In the present study a new shear sensor is introduced with a contact area of 4.05 cm2. A series of validation experiments was performed with ten healthy young subjects. It was demonstrated that with a forward-tilted seat, the sum of the local shear forces between skin and sensormat is equal to the resultant shear force measured with a force plate. This result serves as a validation of the new sensor. The shear values recorded are 4.8 kPa in the longitudinal direction and 8.5 kPa in the transversal direction while sitting in a wheelchair, and 5.6 kPa in the longitudinal direction and 3.1 kPa in the transversal direction on a mattress of a hospital bed, while in sitting position in bed. |
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Authors:
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R H Goossens; C J Snijders; T G Holscher; W C Heerens; A E Holman |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Scandinavian journal of rehabilitation medicine Volume: 29 ISSN: 0036-5505 ISO Abbreviation: Scand J Rehabil Med Publication Date: 1997 Sep |
Date Detail:
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Created Date: 1997-10-06 Completed Date: 1997-10-06 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 0212503 Medline TA: Scand J Rehabil Med Country: SWEDEN |
Other Details:
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Languages: eng Pagination: 131-6 Citation Subset: IM |
Affiliation:
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Erasmus University Rotterdam, Faculty of Medicine, Department of Biomedical Physics and Technology, The Netherlands. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Beds* Biomechanics Humans Posture Reproducibility of Results Stress, Mechanical Wheelchairs* |
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