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Association between vertebral cross-sectional area and lumbar lordosis angle in adolescents

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  • Tishya A L Wren
  • Patricia C Aggabao
  • Ervin Poorghasamians
  • Thomas A Chavez
  • Skorn Ponrartana
  • Vicente Gilsanz

Abstract

Lumbar lordosis (LL) is more prominent in women than in men, but the mechanisms responsible for this discrepancy are poorly defined. A recent study indicates that newborn girls have smaller vertebral cross-sectional area (CSA) when compared to boys—a difference that persists throughout life and is independent of body size. We determined the relations between vertebral cross-sectional area (CSA) and LL angle and whether sex differences in lumbar lordosis are related to sex differences in vertebral CSA. Using multi-planar magnetic resonance imaging (MRI), we measured vertebral cross-sectional area (CSA) and vertebral height of the spine of 40 healthy boys and 40 girls, ages 9–13 years. Measures of the CSA of the lumbar vertebrae significantly differed between sexes (9.38 ± 1.46 vs. 7.93 ± 0.69 in boys and girls, respectively; P

Suggested Citation

  • Tishya A L Wren & Patricia C Aggabao & Ervin Poorghasamians & Thomas A Chavez & Skorn Ponrartana & Vicente Gilsanz, 2017. "Association between vertebral cross-sectional area and lumbar lordosis angle in adolescents," PLOS ONE, Public Library of Science, vol. 12(2), pages 1-9, February.
    • Handle: RePEc:plo:pone00:0172844
    DOI: 10.1371/journal.pone.0172844
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