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Related Experiment Videos

Three-dimensional gait analysis in spina bifida

C M Duffy1, A E Hill, A P Cosgrove

  • 1Royal Belfast Hospital for Sick Children, Northern Ireland.

Journal of Pediatric Orthopedics
|November 1, 1996
PubMed
Summary
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Children with spina bifida exhibit distinct gait patterns linked to neurological level. Gait abnormalities reflect muscle deficiencies, with patterns improving as the neurological level descends.

Area of Science:

  • Orthopedics
  • Pediatric Neurology
  • Biomechanical Engineering

Background:

  • Spina bifida, a congenital condition, affects neural development and can lead to motor impairments.
  • Understanding the specific gait deviations in children with varying levels of spina bifida is crucial for targeted interventions.

Purpose of the Study:

  • To characterize and compare gait patterns in children with lumbar and sacral neurologic level spina bifida.
  • To correlate observed gait abnormalities with underlying muscle deficiencies.
  • To evaluate the effectiveness of specific tendon transfer surgeries on gait improvement.

Main Methods:

  • Three-dimensional gait analysis using the Vicon system was performed on 28 children with spina bifida (L4, L5, S1 levels) and 15 typically developing children.

Related Experiment Videos

  • Gait parameters were analyzed to identify distinct patterns associated with each neurological level.
  • Children who had undergone hip or ankle tendon transfers were included to assess surgical impact.

    • Main Results:

    • Recognizable and distinct gait patterns were identified for each neurologic level of spina bifida.
    • Gait abnormalities directly correlated with specific muscle deficiencies.
    • Gait patterns more closely resembled those of the normal group as the neurological level descended.
    • Key findings included increased pelvic obliquity/rotation and persistent knee flexion during stance.
    • Tendon transfers at the hip or ankle did not demonstrate improvement in gait.

    Conclusions:

    • Gait patterns in children with spina bifida are level-dependent and reflect muscle deficits.
    • Specific kinematic abnormalities like pelvic obliquity and knee flexion are characteristic.
    • Current tendon transfer techniques evaluated did not yield significant gait improvements in this cohort.