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Title: The reliability of a wireless monitor for measurement of lumbar spine posture
Authors: O'Sullivan, K
Galleotti, L
Dankaerts, Wim
O'Sullivan, L #
Issue Date: 30-Oct-2009
Publisher: Elsevier
Host Document: Manual Therapy - International Conference on Movement Dysfunction - Programme and Abstract Book vol:14 issue:1 pages:S23-S23
Conference: International Conference on Movement Dysfunction edition:3 location:Edinburgh, UK date:30/10 - 1/11/2009
Article number: 032
Abstract: Introduction: Low back pain (LBP) is a common and costly musculoskeletal disorder (Hansson, Ihlebæk et al. 2006), requiring consideration of multiple factors including lumbar posture and movement patterns (Dankaerts, O'Sullivan et al. 2006). Most LBP research has been done using complex and time-consuming laboratory-based motion analysis systems (Dankaerts, O'Sullivan et al. 2006), which do not allow analysis outside the laboratory e.g. in occupational settings. The SELS SPC monitor is capable of monitoring spinal posture in real-time via wireless technology. This study examined the reliability (intra-rater and inter-rater) of this novel monitor for measuring spinal posture during two commonly provocative tasks in subjects with LBP.
Methods: 20 healthy subjects participated in the study. The reliability of two tasks (usual sitting posture, and forward bending) was examined using intra-class correlation coefficients (ICC) and Bland and Altman methods.
Results: Intra-rater reliability was excellent for both tasks (ICC =0.837 – 0.874, with low mean differences). Similarly inter-rater reliability was excellent for both tasks (ICC =0.914 – 0.940, with low mean differences).
Discussion: This novel wireless posture monitor appears to be a reliable method for measuring lumbar posture and movement patterns. This non-invasive device may have significant clinical utility for assessing and providing feedback on spinal postures and movement patterns in occupational environments. Further research is required to investigate the validity of this new monitor, and it’s application in clinical trials.

References
Dankaerts, W., P. B. O'Sullivan, et al. (2006). "Differences in sitting postures are associated with non-specific chronic low back pain disorders when sub-classified." Spine 31(6): 698-704.
Hansson, T., C. Ihlebæk, et al. (2006). "Prevalence of low back pain and sickness absence: A ``borderline'' study in Norway and Sweden." Scandinavian Journal of Public Health 34: 555-558.
ISSN: 1356-689X
Publication status: published
KU Leuven publication type: IMa
Appears in Collections:Research Group for Musculoskeletal Rehabilitation
# (joint) last author

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