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Alignment of centers of mass of body segments with the gravity line

Article dans une revue avec comité de lecture
Author
AMABILE, Célia
NÉROT, Agathe
222174 Laboratoire de Biomécanique et Mécanique des Chocs [LBMC UMR T9406]
CHOISNE, Julie
LAFAGE, Virginie
358726 Hospital for Special Surgery
ccSKALLI, Wafa
ccPILLET, Helene
26380 Immunogénétique Cellulaire
99538 Laboratoire de biomécanique [LBM]
175453 Arts et Métiers ParisTech
466360 Institut de Biomecanique Humaine Georges Charpak

URI
http://hdl.handle.net/10985/17971
DOI
10.1080/10255842.2015.1069547
Date
2015
Journal
Computer Methods in Biomechanics and Biomedical Engineering

Abstract

Sagittal malalignment is associated with increased disability and can lead to postural troubles. The latter is often the result of an inadequate weight distribution on the spine and trigger compensatory mechanisms. No study to date has provided reference values for the alignment of centers of mass (CoM) of different body segments in asymptomatic subjects. The use of a bi-planar X-ray system (Dubousset et al. 2010) combined with 3D reconstruction of the external body shape (Nérot et al. 2015) allows for computation of the body segments’ CoM. The aim of this study was to provide baseline values for the position of each segment’s CoM compared to the gravity line (GL) in the sagittal plane.

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