Correlation between the apex of lumbar lordosis and pelvic incidence in asymptomatic adult

Purpose The objective of this study was to test the correlation between the apex of lumbar lordosis (LLA) and pelvic incidence (PI) in asymptomatic adults, and to establish predictive formulae based on the PI to obtain the reference values of lumbar sagittal parameters. Methods A cohort of 183 asymp...

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Bibliographic Details
Published in:European spine journal 2020-03, Vol.29 (3), p.420-427
Main Authors: Pan, Changyu, Wang, Guodong, Sun, Jianmin
Format: Article
Language:English
Subjects:
Adult
Humans
Lordosis - diagnostic imaging
Lordosis - epidemiology
Lordosis - pathology
Lumbar Vertebrae - diagnostic imaging
Lumbar Vertebrae - pathology
Medicine
Medicine & Public Health
Neurosurgery
Original Article
Pelvis - diagnostic imaging
Pelvis - pathology
Prediction models
Radiography
Spine (lumbar)
Surgical Orthopedics
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Summary:Purpose The objective of this study was to test the correlation between the apex of lumbar lordosis (LLA) and pelvic incidence (PI) in asymptomatic adults, and to establish predictive formulae based on the PI to obtain the reference values of lumbar sagittal parameters. Methods A cohort of 183 asymptomatic volunteers older than 18 years was enrolled in this study between April 2017 and May 2019. A full-spine, standing X-ray was taken for each subject. The following parameters in the sagittal plane were measured: the LLA, the distance between the plumb line of the lumbar apex (LAPL) and gravity plumb line, lumbar lordosis (LL), the upper arc of lumbar lordosis (LLUA), the lower arc of lumbar lordosis (LLLA) and the PI. The correlations between lumbar parameters and PI were analysed, and simple linear regressions were simultaneously constructed. The statistical significance level was P  
ISSN:0940-6719
1432-0932
DOI:10.1007/s00586-019-06183-y