Effect of model design, cushion construction, and interface pressure mats on interface pressure and immersion

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Please use this identifier to cite or link to this item: http://hdl.handle.net/1853/36342

Title: Effect of model design, cushion construction, and interface pressure mats on interface pressure and immersion
Author: Pipkin, Leigh ; Sprigle, Stephen
Abstract: Measuring interface pressure (IP) is one way to characterize cushion performance in the clinic and laboratory. This study explored how the presence of four commercially available IP mats affected IP on and immersion of two buttocks models. We loaded seven cushions with each buttocks model and captured pressure data using FSA sensors (Vista Medical Ltd; Winnipeg, Manitoba, Canada). Analysis was performed to compare pressure magnitude and immersion. Overall, both pressure magnitude and immersion changed after mat introduction. A significant interaction existed between cushion and mat condition and cushion and model for all variables. Introducing an IP mat to the model-cushion interface alters the loading on the cushion. The mats bridged the contours of the model, causing a change in IP at the locations studied. Although immersion was statistically different between mat conditions, the magnitude of the difference was less than 1 mm once we accounted for the thickness of the mats. The significance of the cushion-mat interaction indicates that the mat effect differed across cushion design. Clinical and research users of pressure mats should consider the effect of mat presence, the effect of model design, and mat and buttocks interactions with cushions for successful use.
Description: DOI: 10.1682/JRRD.2007.06.0089
Type: Article
URI: http://hdl.handle.net/1853/36342
ISSN: 0748-7711
Citation: Pipkin, L., & Sprigle, S. (2008). Effect of model design, cushion construction, and interface pressure mats on interface pressure and immersion. J Rehabil Res Dev, 45(6), 875-882.
Date: 2008
Contributor: Georgia Institute of Technology. School of Applied Physiology
Georgia Institute of Technology. Center for Assistive Technology and Environmental Access
Publisher: Georgia Institute of Technology
Department of Veterans Affairs
Subject: Anatomic models
Assistive technology
Disability
Interface pressure
Pressure sensors
Pressure ulcer prevention
Rehabilitation
Standards
Test method
Wheelchair seating
Wheelchairs

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