Sex-dependent evolution of whole-body postural alignment with age
Article dans une revue avec comité de lecture
Auteur
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300119 Hôpital Européen Georges Pompidou [APHP] [HEGP]
557826 Université Paris Cité [UPCité]
1001017 Institut de Biomécanique Humaine Georges Charpak [IBHGC]
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300119 Hôpital Européen Georges Pompidou [APHP] [HEGP]
557826 Université Paris Cité [UPCité]
![](/static/icons/feed.png)
![cc](/themes/Mirage2//images/orcid_icon.png)
353778 CHU Pitié-Salpêtrière [AP-HP]
542093 Neurophysiologie Respiratoire Expérimentale et Clinique [UMRS 1158]
1001017 Institut de Biomécanique Humaine Georges Charpak [IBHGC]
![](/static/icons/feed.png)
353778 CHU Pitié-Salpêtrière [AP-HP]
542093 Neurophysiologie Respiratoire Expérimentale et Clinique [UMRS 1158]
1001017 Institut de Biomécanique Humaine Georges Charpak [IBHGC]
Date
2024-06Journal
European Spine JournalRésumé
Purpose
The goal of this study was to explore sex-related variations of global alignment parameters and their distinct evolution patterns across age groups.
Methods
This multicentric retrospective study included healthy volunteers with full-body biplanar radiographs in free-standing position. All radiographic data were collected from 3D reconstructions: global and lower limb parameters, pelvic incidence (PI) and sacral slope (SS). Lumbar lordosis (LL), thoracic kyphosis (TK) and cervical lordosis (CL) were also assessed as well as the lumbar and thoracic apex, and thoracolumbar inflexion point. The population was divided into five 5 age groups: Children, Adolescents, Young, Middle-Aged and Seniors.
Results
This study included 861 subjects (53% females) with a mean age of 34 ± 17 years. Mean PI was 49.6 ± 11.1 and mean LL was − 57.1 ± 11.6°. Females demonstrated a PI increase between Young and Middle-Aged groups (49 ± 11° vs. 55 ± 12°, p < 0.001) while it remained stable in males. SS and LL increased with age in females while remaining constant in males between Children and Middle-aged and then significantly decreased for both sexes between Middle-Aged and Seniors. On average, lumbar apex, inflexion point, and thoracic apex were located one vertebra higher in females (p < 0.001). After skeletal maturity, males had greater TK than females (64 ± 11° vs. 60 ± 12°, p = 0.04), with significantly larger CL (-13 ± 10° vs. -8 ± 10°, p = 0.03). All global spinal parameters indicated more anterior alignment in males.
Conclusion
Males present more anteriorly tilted spine with age mainly explained by a PI increase in females between Young and Middle-Aged, which may be attributed to childbirth. Consequently, SS and LL increased before decreasing at senior age.
Fichier(s) constituant cette publication
- Nom:
- IBHGC_ESJ-2024_KHALIFE.pdf
- Taille:
- 2.465Mo
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- Description:
- Sex-dependent evolution of ...
- Fin d'embargo:
- 2024-12-11
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