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Related Experiment Videos

Human osseous intervertebral foramen width.

F J Rühli1, M Müntener, M Henneberg

  • 1Department of Anatomical Sciences, University of Adelaide, 5005 Adelaide, Australia. frank.ruhli@anatom.unizh.ch

American Journal of Physical Anthropology
|December 3, 2005
PubMed
Summary

Intervertebral foramen width (IFW) is crucial for low back pain. This study provides reference data, finding no significant age or stature correlation, but larger IFW in females, particularly lumbar, suggesting reverse sex dimorphism.

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Area of Science:

  • Anatomy
  • Anthropology
  • Biomechanics

Background:

  • Alterations in human intervertebral foramen width are implicated in low back pain.
  • Osseous dimensions of the intervertebral foramen are infrequently documented, necessitating baseline data.

Purpose of the Study:

  • To establish reference data for osseous intervertebral foramen width (IFW) in human vertebrae.
  • To analyze IFW variations concerning sex, age, stature, and lateralization.

Main Methods:

  • Analysis of intervertebral foramen widths (IFW) from 71 macroscopically normal spines (early 19th century Swiss burial sites).
  • Vertebral regions analyzed: cervical, thoracic, and lumbar functional transition zones.
  • Measurements assessed for lateralization and correlation with sex, age at death, and stature.

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Main Results:

  • No significant lateral difference in IFW was observed.
  • IFW showed no significant correlation with individual age or stature.
  • Females exhibited slightly larger IFW than males, most notably in the lumbar region, indicating potential reverse sex dimorphism.

Conclusions:

  • Osseous intervertebral foramen dimensions provide essential baseline anatomical data.
  • Findings suggest a reverse sex dimorphism in IFW, particularly in the lumbar spine.
  • Further research is needed to correlate osseous dimensions with in vivo structures and clinical relevance.