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Related Experiment Videos

Electromyographic evaluation in children with spina bifida.

P Y Tsai1, R C Cha, T F Yang

  • 1Department of Physical Medicine and Rehabilitation, Taipei Veterans General Hospital, Taiwan, ROC.

Zhonghua Yi Xue Za Zhi = Chinese Medical Journal; Free China Ed
|January 5, 2002
PubMed
Summary

Electromyography (EMG) can predict mobility in spina bifida patients by analyzing muscle activity. This method, along with neurological level, aids in assessing walking ability and functional outcomes.

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Area of Science:

  • Neurology
  • Rehabilitation Medicine
  • Biomedical Engineering

Background:

  • Predicting ambulation in spina bifida patients using neurological level or muscle strength is challenging.
  • Electromyography (EMG) can analyze motor unit activity in lower limbs to assess mobility.
  • EMG also aids in evaluating external anal sphincter function for bowel and bladder management.

Purpose of the Study:

  • To analyze the relationship between electromyography (EMG) findings and mobility outcomes in spina bifida patients.
  • To evaluate the predictive value of specific muscle innervation and neurological level on ambulation.
  • To determine factors influencing bowel and bladder function using EMG assessment of the external anal sphincter.

Main Methods:

  • EMG examination was performed on 156 spina bifida patients.

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  • Functional assessment using the Pediatric Evaluation of Disability Inventory (PEDI) was conducted on 47 randomly selected patients.
  • Correlations were analyzed between EMG parameters, ambulatory ability, PEDI scores, and bowel/bladder function.

    • Main Results:

    • Innervation of hip adductor and quadriceps correlated with walking ability (p < 0.01).
    • Anterior tibialis and gastrocnemius muscles were related to PEDI scores (p < 0.01).
    • EMG denervation potentials and recruitment patterns were significant predictors of ambulation and mobility.

    Conclusions:

    • Both neurological level and specific muscle innervation significantly influence walking and mobility in spina bifida.
    • EMG assessment is a valuable tool for predicting functional outcomes in spina bifida patients.
    • EMG findings show significant differences in sphincter denervation potentials related to bowel and bladder dysfunction.