Document Detail

3D postural balance with regard to gravity line: an evaluation in the transversal plane on 93 patients and 23 asymptomatic volunteers.
MedLine Citation:
PMID:  20035359     Owner:  NLM     Status:  MEDLINE    
Relevance of posture assessment has been reported in case of spine disorders. This study explores the interest in quantifying posture using 3D reconstruction from biplanar X-rays in free standing position and a force plate. 93 patients consulting for spine disorders were divided ('3D deformity', 'sagittal imbalance' and 'mild deformity') and compared with 23 asymptomatic volunteers. Registration of the gravity line (GL) in reconstruction yielded transversal position of the center of acoustic meati (CAM) T1, T4, T9, L3, S1 and hip axis (HA) with regard to GL. Transversal position of CAM and L3 appeared as relevant parameters to discriminate patients from volunteers. Sagittal inclination of the axis linking the CAM to HA was correlated with position of the CAM to GL (r = 0.92 for patients). In conclusion, observing posture in 3D with regard to GL provides clinical relevant information. CAM-HA inclination may improve postural evaluation without force plate.
Jean-Sebastien Steffen; Ibrahim Obeid; Nicolas Aurouer; Olivier Hauger; Jean-Marc Vital; Jean Dubousset; Wafa Skalli
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2009-12-25
Journal Detail:
Title:  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     Volume:  19     ISSN:  1432-0932     ISO Abbreviation:  Eur Spine J     Publication Date:  2010 May 
Date Detail:
Created Date:  2010-04-21     Completed Date:  2010-07-15     Revised Date:  2013-05-31    
Medline Journal Info:
Nlm Unique ID:  9301980     Medline TA:  Eur Spine J     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  760-7     Citation Subset:  IM    
Laboratoire de Biomecanique Arts et Metiers ParisTech CNRS, 151 Boulevard de l'Hopital, 75013, Paris, France.
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MeSH Terms
Lumbar Vertebrae / radiography*
Middle Aged
Models, Anatomic
Postural Balance / physiology*
Reference Values
Scoliosis / radiography*
Thoracic Vertebrae / radiography*

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