Does the correlation between Schmorl's nodes and vertebral morphology extend into the lumbar spine?

American Journal of Physical Anthropology
Kimberly A PlompUna Strand Vidarsdottir

Abstract

Schmorl's nodes are depressions on vertebrae due to herniation of the nucleus pulposus of the intervertebral disc into the vertebral body. This study provides an extension of our previous study which analyzed the shape of the lower thoracic spine and found that vertebral morphology was associated with the presence of Schmorl's nodes. Ninety adult individuals from the late Medieval site of Fishergate House, York, and the Post-Medieval site of Coach Lane, North Shields, Tyne and Wear, England, were analysed using 2D geometric morphometrics to identify possible relationships between vertebral morphology and Schmorl's nodes at the thoraco-lumbar junction and in the lumbar spine. A significant correlation was found between vertebral shape and the presence of Schmorl's nodes in the twelfth thoracic vertebrae and the first to third lumbar vertebrae. The findings corroborate previous studies and suggest that vertebral shape may be an important factor in spinal health. It is hypothesized that the pedicle shape of affected vertebrae may not provide adequate structural support for the vertebral bodies, resulting in vertical disc herniation.

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Citations

Jul 13, 2017·The Journal of Animal Ecology·David Outomuro, Frank Johansson
Apr 4, 2018·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Yitao WangJianyuan Jiang
Dec 12, 2018·BioMed Research International·Janan AbbasIsrael Hershkovitz
Feb 2, 2020·Scientific Reports·Niina KorpinenJuho-Antti Junno
Jul 24, 2021·International Journal of Paleopathology·Samuel BédécarratsHélène Coqueugniot

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