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

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

PLOS ONE, 2017, vol. 12, issue 2, 1-9

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

Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0172844

DOI: 10.1371/journal.pone.0172844

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