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Sedentary and Non-Sedentary Behaviour Patterns of Children with Cerebral Palsy Who Use Wheelchairs. Open Access


Other title
cerebral palsy
non-sedentary behaviour patterns
sedentary behaviour patterns
Type of item
Degree grantor
University of Alberta
Author or creator
Innes, Jennifer AM
Supervisor and department
Darrah, Johanna (Physical Therapy)
Examining committee member and department
Manns, Patricia (Physical Therapy)
Wiart, Lesley (Physical Therapy)
Faculty of Rehabilitation Medicine
Rehabilitation Science - Physical Therapy
Date accepted
Graduation date
Master of Science
Degree level
Purpose: To examine the suitability of a direct observation method to quantify and describe sedentary behavior and non-sedentary breaks for children who have cerebral palsy (Gross Motor Function Classification System [GMFCS] levels III, IV, and V). Secondary goals were to evaluate the agreement between direct observation and each of two measuring devices, the ActiGraph and the SenseWear, for the sedentary and non-sedentary intervals coded using the direct observation method. Methods: Four children participated. They all had a diagnosis of cerebral palsy (ages 7-14), with GMFCS levels IV or V. The children were videotaped at school and/or at home while wearing the ActiGraph and the SenseWear. Noldus Observer XT 11.5 software was used to code the sedentary and non-sedentary intervals observed on the videos using the direct observation coding scheme. SenseWear and ActiGraph data were compared with direct observation coding using the sedentary and non-sedentary intervals identified by direct observation. Results: All four children had considerable amounts of sedentary time. They all took frequent but very short breaks from sedentary time. The majority of the breaks were shorter than 60 seconds; it is not known whether these short breaks have any physiological benefit. The direct observation, ActiGraph, and SenseWear showed inconsistent agreement with no trend noted. Conclusions: Measuring sedentary behavior for children who use wheelchairs is challenging and requires further investigation. It is important to evaluate the length of break required for physiological benefit for these children.
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
Citation for previous publication
Innes, J. & Darrah, J. (2013). Sedentary behavior: implications for children with cerebral palsy. Pediatr Phys Ther. 25(4), 402-408. doi: 10.1097/PEP.0b013e31829c4234.

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