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Shoulder motion analysis using simultaneous skin shape registration.
Schwartz, Cédric; Burdin, V.; Jacq, J. J. et al.
2007In Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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Keywords :
Bones of Upper Extremity/physiology; Humans; Image Processing, Computer-Assisted; Infrared Rays; Motion; Range of Motion, Articular/physiology; Shoulder Joint/physiology; Skin
Abstract :
[en] A new non-invasive approach is proposed to study joint motions. It is based on dynamic tracking of the skin shape. A robust simultaneous registration algorithm (Iterative Median Closest Point) is used to follow the evolving shape and compute the rigid motion of the underlying bone structures. This new method relies on the differentiation of the rigid and elastic parts of the shape motion. A skin marker network is tracked by a set of infrared cameras. Unlike usual techniques, the algorithm tracks the instantaneous polyhedral shape embedding this network. This innovating approach is expected to minimize bias effect of skin sweeps and give some new information about the underlying soft tissue activities. Current application addresses the motion of the shoulder complex (humerus, clavicle and scapula). It is compared with two marker-based methods published in the literature. Preliminary results show significant differences between these three approaches. The new approach measurements give rise to greater rotations.
Disciplines :
Orthopedics, rehabilitation & sports medicine
Author, co-author :
Schwartz, Cédric  ;  Université de Liège - ULiège > Département des sciences de la motricité > Kinésithérapie générale et réadaptation
Burdin, V.;  Telecom Bretagne
Jacq, J. J.;  Telecom Bretagne
Remy-Neris, O.;  Centre Hospitalier Universitaire de Brest - CHU Brest
Lempereur, M.;  Centre Hospitalier Universitaire de Brest - CHU Brest
Language :
English
Title :
Shoulder motion analysis using simultaneous skin shape registration.
Publication date :
August 2007
Event name :
29th Annual International Conference of the IEEE Engineering in Medicine and Biology Society
Event place :
Lyon, France
Event date :
August 23-26, 2007
Audience :
International
Journal title :
Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
ISSN :
1557-170X
Publisher :
IEEE Service Center, Piscataway, United States - New Jersey
Peer reviewed :
Peer reviewed
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since 28 October 2010

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