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Related Experiment Videos

Spinal position sense in ankylosing spondylitis.

Annette Swinkels1, Patricia Dolan

  • 1Faculty of Health and Social Care, University of the West of England, Bristol, United Kingdom.

Spine
|April 20, 2004
PubMed
Summary

Spinal position sense is unaffected in patients with mild ankylosing spondylitis. This suggests that proprioception may not be a useful measure for tracking disease progression or treatment effectiveness in early-stage ankylosing spondylitis.

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Area of Science:

  • Rheumatology and Biomechanics
  • Neuroscience and Musculoskeletal Health

Background:

  • Ankylosing spondylitis (AS) involves inflammatory processes targeting spinal entheses, which contain proprioceptive receptors.
  • Impaired proprioception could potentially contribute to spinal deformity in advanced AS.
  • Understanding proprioceptive function is crucial for developing targeted therapeutic strategies, such as specialized exercise regimens.

Purpose of the Study:

  • To investigate whether spinal position sense is impaired in individuals with mild ankylosing spondylitis.
  • To explore the relationship between spinal position sense and established measures of disease severity and functional outcome in AS.

Main Methods:

  • A cross-sectional study comparing spinal position sense between 50 patients with mild AS and 50 healthy controls.

Related Experiment Videos

  • Utilized an electromagnetic tracking device (3-Space Fastrak) to measure absolute error in reproducing upright and flexed spinal postures.
  • Sensors were placed on the skin at T1, T7, L1, and S2 vertebral levels.

    • Main Results:

    • No statistically significant deficits in spinal position sense were observed in patients with mild AS compared to controls.
    • Repositioning errors in patients were comparable to or better than those in controls across different postures.
    • Weak correlations indicated a slight improvement in position sense acuity with increasing disease severity, contrary to initial hypotheses.

    Conclusions:

    • Spinal position sense remains unaffected in the mild stages of ankylosing spondylitis.
    • Proprioceptive function is unlikely to serve as a sensitive outcome measure for this condition.
    • Further research may explore proprioceptive changes in more advanced stages of AS or other spinal pathologies.