Effect of a Dynamic Seating Surface on Postural Control and Function in Children with Cerebral Palsy: Experiences Gained and Lessons Learned; Using SPCM, Pressure Mapping and Videography

Erna Rosenlund Meyer, Lisa Trew

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Abstract

Purpose: The purpose was to investigate if a seating system involving a dynamic material covering the seat back and base improves postural control, alignment and function in children with cerebral palsy and to investigate consequences of adapting The Seated Postural Control Measure to a target group with multifunctional disabilities.
Relevance: Developing sitting systems for disabled persons is of great importance to avoid sitting problems, to increase the level of functioning and postural control which will have an impact on their daily living and activities. This project takes its starting point in a seatback and seat bottom made of a dynamic material and designed to give ergonomic support and is part of research collaboration in the Northern Region of Denmark, supported financial by the named partners and the European Regional Development Fund.
Participants: A total of 10 children, age 10-16 from a school for children with special needs in the Northern Region of Denmark.
Methods: In this clinical study two seating systems were compared; the new developed dynamic seating system (DSS) versus a traditional seating system of various types (TSS). The study was approved by the Danish Ethical Committee. Outcome measures were Seated Postural Control Measure (SPCM), which was modified to meet the children’s needs, was used to measure alignment and function. Force Sensitive Applications (FSA) on the seat surfaces was used to measure postural movements and interface pressure. All tests sequences were video-recorded and afterwards observed and analyzed qualitatively.
The project is in progress, starting in February 2011, ending June 2011.
Analysis: FSA data were analyzed with paired t-test to compare alignment and functions in the different seating’s. The following parameters were analyzed: average center of pressure movement, radius boundary and deviation; contact area; mean pressure; standard deviation and coefficient of variance. Total function score of modified SPCM data were made with the original SPCM Scoring Form. Qualitative observations consisting of two main areas, head control and body control were documented in a form and assessed against FSA and SPCM data.
Results: Concerning FSA there was no significant founding. Mean pressure showed lowest p-values, respectively 0,062 and 0,069 for alignment and functions and mean pressure had a greater variation on the traditional seating system than on the newly developed seating system. Concerning the modified SPCM results….
The qualitative analysis of the video recordings showed….
Conclusions: The conclusions of the project, which appeared to be a pilot project, comprise some important issues of interest and we think this project can contribute to further development of seating systems for people with special needs and to further development of adapting and validating the SPCM.
Original languageEnglish
Publication date2012
Number of pages4
Publication statusPublished - 2012
EventNordic Seationg Symposium - Stockholm, Stockholm, Sweden
Duration: 23 May 2013 → …

Presentation

PresentationNordic Seationg Symposium
LocationStockholm
CountrySweden
CityStockholm
Period23/05/13 → …

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