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| Research article summary (published 30 May 2009): |
A joint coordinate system proposal for the study of the trapeziometacarpal joint kinematics.
Full Abstract
The International Society of Biomechanics (ISB) has recommended a standardisation for the motion reporting of almost all human joints. This study proposes an adaptation for the trapeziometacarpal joint. The definition of the segment coordinate system of both trapezium and first metacarpal is based on functional anatomy. The definition of the joint coordinate system (JCS) is guided by the two degrees of freedom of the joint, i.e. flexion-extension about a trapezium axis and abduction-adduction about a first metacarpal axis. The rotations obtained using three methods are compared on the same data: the fixed axes sequence proposed by Cooney et al., the mobile axes sequence proposed by the ISB and our alternative mobile axes sequence. The rotation amplitudes show a difference of 9 degrees in flexion-extension, 2 degrees in abduction-adduction and 13 degrees in internal-external rotation. This study emphasizes the importance of adapting the JCS to the functional anatomy of each particular joint.
Author information
Author/s: Cheze, L (L); Dumas, R (R); Comtet, J J (JJ); Rumelhart, C (C); Fayet, M (M);
Affiliation: Universite de Lyon, Lyon, France.
Journal and publication information
Publication Type: Journal Article
Journal: Computer methods in biomechanics and biomedical engineering (Comput Methods Biomech Biomed Engin), published in England. (Language: eng)
Reference: 2009-Jun; vol 12 (issue 3) : pp 277-82
Dates: Created 2009/04/27; Completed 2009/06/18;
PMID: 18853290, status: MEDLINE (last retrieval date: 6/18/2009, IMS Date: 18 Jun 2009 00:00:00)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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