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    Effect of Sitting Posture on Development of Scoliosis in Duchenne Muscular Dystrophy Cases

    221120_139051_85912_JNepalHthResCncl__published_.pdf (140.4Kb)
    Access Status
    Open access
    Authors
    Pokharel, R.
    Brisco, L.
    Mandal, M.
    Agrawal, J.
    Dillon, D.
    Vitale, M.
    Woodland, P.
    Jacoby, P.
    Downs, Jennepher
    Date
    2014
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Pokharel, R. and Brisco, L. and Mandal, M. and Agrawal, J. and Dillon, D. and Vitale, M. and Woodland, P. et al. 2014. Effect of Sitting Posture on Development of Scoliosis in Duchenne Muscular Dystrophy Cases. Journal of Nepal Health Research Council. 12 (2): pp. 94-99.
    Source Title
    Journal of Nepal Health Research Council
    Additional URLs
    http://www.jnhrc.com.np/index.php/jnhrc/article/view/496
    ISSN
    1727-5482
    School
    School of Physiotherapy and Exercise Science
    Remarks

    This open access article is distributed under the Creative Commons license http://creativecommons.org/licenses/by/3.0/

    URI
    http://hdl.handle.net/20.500.11937/24662
    Collection
    • Curtin Research Publications
    Abstract

    Background: Scoliosis is a frequent association in boys with Duchenne Muscular Dystrophy when the ability to walk is lost around nine to 12 years of age. This study assessed the contribution of physical factors including lumbar posture to scoliosis in non-ambulatory youth with DMD in Nepal. Methods: Linear regression was used to assess effects of time since loss of ambulation, muscle strength, functional severity and lumbar angle as a binary variable on coronal Cobb angle; again logistic regression was used to assess effects of muscle strength and cross-legged sitting on the presence of a lordotic lumbar posture in 22 non-ambulant boys and young men. Results: The boys and young men had a mean (SD) age of 15.1 (4.0) years, had been non-ambulant for 48.6 (33.8) months and used a median of 3.5 (range 2 to 7) postures a day. The mean Cobb angle was 15.1 (range 0 to 70) degrees. Optimal accuracy in predicting scoliosis was obtained with a lumbar angle of -6° as measured by skin markers, and both a lumbar angle ≤-6° (P=0.112) and better functional ability (P=0.102) were associated with less scoliosis. Use of cross-legged sitting postures during the day was associated with a lumbar angle ≤-6° (OR 0.061; 95% CI 0.005 - 0.672; P=0.022). Conclusions: Use of cross-legged sitting posture was associated with increase in lumbar lordosis. Higher angle of lumbar lordosis and better functional ability are associated with lesser degree of scoliosis.

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