Person:
Sprigle, Stephen

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https://hdl.handle.net/1853/71727
 https://orcid.org/0000-0003-0462-0138
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0000-0003-0462-0138
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Blood Flow and Pressure Changes That Occur With Tilt-in-Space

2010-06 , Sonenblum, Sharon Eve , Sprigle, Stephen

The objective of this study was to evaluate the biomechanical responses to tilt in persons with SCI. Changes in blood flow and loading at the ischial tuberosities (ITs) across different amounts of tilt were measured with Laser Doppler flowmetry and interface pressure. Pressure reduction at the IT was not present at 15°, but did occur with tilts to 30° and greater. Unlike pressure, blood flow increased with all tilts from an upright position. Only 4 of 11 participants had a considerable increase (≥10%) in blood flow at 30° tilt, whereas 9 participants did during maximum tilt (i.e., 45°-60°). Based on the results of this study, tilting for pressure reliefs as far as the seating system permits is recommended to maximize the potential for significant blood flow increases and pressure relief. The use of interim small tilts is also supported, as they also provide some benefit.

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Blood Flow and Pressure Changes That Occur With Tilt-in-space

2009 , Sonenblum, Sharon Eve , Sprigle, Stephen

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Impact of Tilt-in-Space Power Wheelchairs on Health, Activity, and Participation

2008 , Harris, Frances , Sonenblum, Sharon Eve , Sprigle, Stephen , Maurer, Christine L.

This paper reports the results of a pre-post outcomes study on the impact of tilt-in-space power wheelchairs on the health, activity, and participation of 5 subjects. Using a methodology which combines traditional self-reports and activity monitoring technology, subjects who had previously used an upright power wheelchair were monitored at baseline and 3 months following receipt of a new tilt-in-space power wheelchair. Subjects visited similar numbers of destinations pre and post. However, wheelchair use metrics - including occupancy time, distance wheeled, and number of bouts - varied pre and post, without a consistent direction of change. Quality of life measured as self-perceived health status increased in all subjects. Although subject population is too small to generalize results, this study illustrates the complexity of participation measurement and the utility of this methodology to provide insights into the relationship between wheelchair use and activity and participation.

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Clinical Application of Pressure Mapping

2007 , Sprigle, Stephen , Davis, Kim

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Cushion Use and Performance in Everyday Life

2009-05 , Sprigle, Stephen

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Cushion Use and Performance in Everyday Life

2009 , Sprigle, Stephen

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Measuring Activity and Participation Among Wheeled Mobility Users

2007 , Sprigle, Stephen , Harris, Frances , Sonenblum, Sharon

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Wheelchair Use in Everyday Life

2009 , Sprigle, Stephen

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Understanding Wheelchair Use Patterns: Tilt-in-Space

2008-03 , Sonenblum, Sharon Eve , Sprigle, Stephen , Harris, Frances , Maurer, Chris

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The Science of Seat Cushions

2007 , Sprigle, Stephen , Pratt, Sharon

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