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Lumbosacral joint angles in children.

J G Wright1, D Bell

  • 1Robert Wood Johnson Clinical Scholars' Program, Yale University School of Medicine, New Haven, Connecticut.

Journal of Pediatric Orthopedics
|November 1, 1991
PubMed
Summary
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This study establishes normal lumbosacral angles in children without spondylolisthesis, finding that lumbar lordosis and sacral roll increase with age. Sagittal rotation is typically negative in this population.

Area of Science:

  • Orthopedics
  • Radiology
  • Pediatric Spine Studies

Background:

  • Spondylolisthesis diagnosis relies on accurate measurement of lumbosacral parameters.
  • Establishing normative values for spinal angles in pediatric populations is crucial for identifying deviations.

Purpose of the Study:

  • To determine normative values for eleven lumbosacral angles in children without spondylolisthesis.
  • To investigate the influence of age, gender, and scoliosis on these angles.

Main Methods:

  • Measurement of eleven angles on 112 standing lateral radiographs of children aged 3-18 years.
  • Analysis of the correlation between age, gender, scoliosis, and measured lumbosacral angles.

Main Results:

  • Lumbar lordosis, lumbar index, and sacral roll demonstrated an increase with age.

Related Experiment Videos

  • Gender was found to affect sacral roll, while scoliosis impacted the lumbosacral angle.
  • Sagittal rotation and slip angle were consistently negative in children without spondylolisthesis.

    • Conclusions:

    • Recommends using sagittal rotation to quantify lumbosacral joint rotation.
    • Suggests measuring lumbar lordosis between the first and fifth lumbar vertebrae.
    • Provides essential reference data for pediatric spinal assessments.