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An electromyography in spastic diplegia.

T Kanda1, H Ashida, H Fukase

  • 1Department of Neuropediatrics, St. Joseph Hospital for Handicapped, Kyoto, Japan.

Brain & Development
|January 1, 1988
PubMed
Summary
This summary is machine-generated.

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Surface electromyography (EMG) revealed abnormal muscle coordination in spastic diplegia patients. This EMG finding correlated with delayed crawling, lower motor development, and abnormal brain imaging, aiding in understanding the condition.

Area of Science:

  • Neurology
  • Biomedical Engineering
  • Pediatric Orthopedics

Background:

  • Spastic diplegia is a form of cerebral palsy affecting muscle coordination.
  • Objective evaluation of muscle function in spastic diplegia is crucial for understanding its pathology.
  • Surface electromyography (EMG) offers a non-invasive method to assess muscle activity.

Purpose of the Study:

  • To objectively evaluate the pathologic state in patients with spastic diplegia.
  • To investigate the correlation between surface EMG findings and clinical/radiological parameters.
  • To determine the utility of EMG in assessing crawling dysfunction in spastic diplegia.

Main Methods:

  • Fifteen patients diagnosed with spastic diplegia underwent surface EMG.
  • EMG recordings were taken from rectus femoris, medial hamstring, anterior tibial, and gastrocnemius muscles.

Related Experiment Videos

  • Patients were categorized into 'disturbed' (n=7) and 'non-disturbed' (n=8) reciprocal innervation groups based on EMG.

    • Main Results:

    • Disturbed reciprocal innervation on EMG positively correlated with delayed crawling (onset > 10 months).
    • Abnormal EMG findings were associated with lower motor development scores (p < 0.005).
    • The disturbed EMG group exhibited more abnormal CT scans and hip X-ray findings.

    Conclusions:

    • Surface EMG is a valuable tool for objectively assessing muscle pathology in spastic diplegia.
    • EMG-detected reciprocal innervation disturbances correlate with developmental delays and imaging abnormalities.
    • These findings enhance the understanding of the pathologic state underlying crawling difficulties in spastic diplegia.