Article (Scientific journals)
Detection of incoherent joint state due to inaccurate bone motion estimation
Schwartz, Cédric; Leboeuf, Fabien; Rémy-Néris, Olivier et al.
2013In Computer Methods in Biomechanics and Biomedical Engineering, 16, p. 165-174
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Keywords :
joint; coherence; glenohumeral joint; motion analysis; musculoskeletal model; soft tissue artifact
Abstract :
[en] In biomechanical modeling and motion analysis, the use of personalized data such as bone geometry would provide more accurate and reliable results. However, there is still a limited number of tools used to measure the evolution of articular interactions. This paper proposes a coherence index to describe the articular status of contact surfaces during motion. The index relies on a robust estimation of the evolution of surfacic interactions between the joint surfaces. The index is first compared to distance maps on simulated motions. It is then used to compare two motion capture protocols (two different localizations of the markers for scapula tracking). The results show that the index detects progressive modifications in the joint and allows to distinguish the two protocols, in accordance with the literature. In the future, the index could, among other things, be used to compare / improve biomechanical models and motion analysis protocols.
Research center :
Laboratoire de Traitement de l'Information Médicale (LaTIM - INSERM U650)
Disciplines :
Human health sciences: Multidisciplinary, general & others
Author, co-author :
Schwartz, Cédric  ;  Université de Liège - ULiège > Département des sciences de la motricité > Kinésithérapie générale et réadaptation
Leboeuf, Fabien;  CHU Nantes
Rémy-Néris, Olivier;  CHU Brest
Brochard, Sylvain;  CHU Brest
Lempereur, Mathieu;  CHU Brest
Burdin, Valérie;  Telecom Bretagne
Language :
English
Title :
Detection of incoherent joint state due to inaccurate bone motion estimation
Publication date :
2013
Journal title :
Computer Methods in Biomechanics and Biomedical Engineering
ISSN :
1025-5842
eISSN :
1476-8259
Publisher :
Taylor & Francis, London, United Kingdom
Volume :
16
Pages :
165-174
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 07 October 2011

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