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Related Experiment Videos

Spinal rigidity following acute myelitis

P Brown1, N P Quinn, D Barnes

  • 1MRC Human Movement and Balance Unit, Institute of Neurology, London, U.K.

Movement Disorders : Official Journal of the Movement Disorder Society
|December 17, 1997
PubMed
Summary
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This study describes a patient with painful leg spasms and rigidity following acute myelitis. Findings suggest spinal cord pathology, possibly chronic spinal interneuronitis, as the cause of this movement disorder.

Area of Science:

  • Neurology
  • Neuroscience
  • Spinal Cord Pathology

Background:

  • A patient presented with a 2.5-year history of painful spasms and rigidity in both lower limbs.
  • These symptoms initiated subsequent to an episode of acute myelitis.

Observation:

  • Spasms were spontaneous, stimulus-sensitive, and occurred during voluntary actions.
  • Continuous motor unit activity was observed at rest in both legs.
  • Abnormal cutaneomuscular reflexes were noted.

Findings:

  • Electromyography revealed repetitive grouped discharge of motor units during spasms.
  • The patient's presentation aligns with recently reported cases of leg stiffness and spasms linked to chronic spinal interneuronitis.

Implications:

Related Experiment Videos

  • This case provides further evidence supporting spinal cord pathology as a cause of leg stiffness and spasms.
  • Highlights the potential role of chronic spinal interneuronitis in specific movement disorders.
  • Suggests a need for further investigation into spinal interneuron function in related neurological conditions.