Validity of a simple videogrammetric method to measure the movement of all hand segments for clinical purposes
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Título
Validity of a simple videogrammetric method to measure the movement of all hand segments for clinical purposesFecha de publicación
2014Editor
SAGE PublicationsISSN
0954-4119; 2041-3033Cita bibliográfica
Sancho-Bru, Joaquín (01.02.2014). "Validity of a simple videogrammetric method to measure the movement of all hand segments for clinical purposes". Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine (0954-4119), 228 (2), p. 182.Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://pih.sagepub.com/content/228/2/182.full.pdf+htmlPalabras clave / Materias
Resumen
Hand movement measurement is important in clinical, ergonomics and biomechanical
fields. Videogrammetric techniques allow the measurement of hand movement without
interfering the natural hand behaviour. However, an ... [+]
Hand movement measurement is important in clinical, ergonomics and biomechanical
fields. Videogrammetric techniques allow the measurement of hand movement without
interfering the natural hand behaviour. However, an accurate measurement of the
hand movement requires the use of a high number of markers, which limits its
applicability for the clinical practice (60 markers would be needed for hand and wrist).
In this work, a simple method that uses a reduced number of markers (29), based on a
simplified kinematic model of the hand, is proposed and evaluated. A set of
experiments has been performed to evaluate the errors associated to the kinematic
simplification, together with the evaluation of its accuracy, repeatability and
reproducibility. The global error attributed to the kinematic simplification was 6.68º.
The method has small errors in repeatability and reproducibility (3.43º and 4.23º,
respectively) and shows no statistically significant difference with the use of electronic
goniometers. The relevance of the work lies in the ability of measuring all degrees of
freedom of the hand with a reduced number of markers without interfering the natural
hand behaviour, which makes it suitable for its use in clinical applications, as well as
for ergonomic and biomechanical purposes. [-]
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Proceedings of the Institution of Mechanical Engineers228.2 (Feb 2014): 182Derechos de acceso
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