Influence of posture on relationships between pelvic parameters and lumbar lordosis: Comparison of the standing, seated, and supine positions. A preliminary study

Orthopaedics & Traumatology, Surgery & Research : OTSR
Thomas ChevillotteOlivier Gille

Abstract

Pelvic incidence (PI) is an anatomical parameter that is considered invariable in a given individual. Although changes in posture influence the mobile lumbar spine, lumbar lordosis (LL) and the pelvis are typically evaluated only in the standing position. Thus, whether other positions commonly used during daily activities influence the relationship between LL and PI is unknown. The objective of this study was to determine whether LL and sacral slope (SS) correlated with PI, using two standardised positions, seated and supine, different from the standing position that is generally used. We are supposing that lumbar lordosis and sacral sloop are correlated to pelvic incidence whatever the posture. The goal of this study was to confirm or deny this hypothesis, using two standardize positions (sitting and lying) different that the usual standing position. LL and SS correlate with PI in the standing, seated, and supine positions. Lumbar and pelvic parameters were measured on radiographs obtained in the standing, seated, and supine positions in 15 asymptomatic adult volunteers younger than 50years of age. Mean values with their standard deviations were computed and compared across the three positions using ANOVA. Spearman's test was ...Continue Reading

Citations

Mar 9, 2019·International Orthopaedics·Ahmed Benzakour, Thami Benzakour
Apr 25, 2019·Journal of Clinical Medicine·Fu-Cheng KaoTsung-Ting Tsai
Oct 31, 2019·Orthopaedic Surgery·Guoyue YangHong Zhang
Mar 13, 2019·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Asato MaekawaKengo Yamamoto
Aug 16, 2019·American Journal of Physical Anthropology·Stephanie Lois ZlolniskiMarkus Bastir
Sep 23, 2020·BMC Musculoskeletal Disorders·Rongshan ChengTsung-Yuan Tsai
Jul 3, 2019·Orthopaedics & Traumatology, Surgery & Research : OTSR·Jérôme TonettiFranck Dujardin
Sep 4, 2020·The Journal of Bone and Joint Surgery. American Volume·Nathan J VeilleuxJennifer S Wayne

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