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Related Experiment Videos

Recovery of impaired muscle function in severe sciatica.

F Balagué1, M Nordin, A Sheikhzadeh

  • 1Hĵpital Cantonal, Fribourg, Switzerland. balaguef@hopcantfr.ch

European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society
|July 27, 2001
PubMed
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Manual muscle testing shows good recovery in sciatica patients, but isokinetic testing reveals persistent deficits. Isokinetic tests offer a more sensitive measure of muscle performance and recovery in sciatica. Further evaluation may be needed for physically demanding jobs.

Area of Science:

  • Neurology
  • Orthopedics
  • Rehabilitation Medicine

Background:

  • Sciatica management often relies on manual muscle testing, which may not fully capture muscle performance deficits.
  • Previous studies using manual tests suggest good long-term muscle strength recovery in sciatica patients.
  • The clinical relevance of isokinetic testing for assessing ankle muscle performance in sciatica remains unclear.

Purpose of the Study:

  • To evaluate muscle performance recovery in acute severe sciatica patients over one year using manual and isokinetic testing.
  • To determine the clinical relevance of ankle isokinetic testing for acute sciatica patients.
  • To compare the outcomes of manual and isokinetic muscle testing in sciatica recovery.

Main Methods:

  • Prospective cohort study of 82 patients with acute severe sciatica undergoing conservative management.

Related Experiment Videos

  • Muscle performance assessed via manual and isokinetic testing of foot and ankle muscles at admission, discharge, and 3, 6, and 12 months.
  • Standardized clinical examination, questionnaires, imaging, and electromyography were performed.

    • Main Results:

    • Manual muscle testing indicated excellent recovery, with low prevalence of major muscle weakness (7-15% at initial evaluation).
    • Isokinetic testing revealed a higher prevalence of muscle function impairment (23-32% at 12 months) and slower recovery.
    • Significant discrepancies were observed between manual and isokinetic test results, suggesting isokinetic testing is more sensitive.

    Conclusions:

    • While manual muscle testing suggests good recovery in sciatica patients, isokinetic testing highlights persistent muscle function deficits.
    • Isokinetic testing provides a more sensitive and in-depth evaluation of muscle performance and recovery in sciatica.
    • For patients with physically demanding occupations, isokinetic testing may be crucial for a comprehensive assessment of functional recovery.