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Using merged kinematic and anatomical data to evaluate humeral motion estimation: a pilot study

C. Schwartz,F. Leboeuf,O. Rémy-Néris,S. Brochard,M. Lempereur,V. Burdin

Published 2013 in Comput. methods Biomech. Biomed. Eng. Imaging Vis.

ABSTRACT

Optoelectronic systems are widely used in 3D motion capture. However, the reliability of the motion estimation depends on soft tissue artefacts and should therefore be validated. Two different sets of humeral markers were studied on four subjects. Anatomical and kinematic measurements were combined and the plausibility of the relative position of the bones in the glenohumeral joint during motion was evaluated using a new coherence index. Our findings show that an identical protocol leads to a large variability of the articular coherence for the subjects. However, the use of an extra marker on the distal part of the humerus improves the humeral kinematics for three of the four subjects. Scientists and clinicians using 3D systems should remain aware of the influence of subject-specific morphology on the accuracy of the measure. Differences with a reference group may come from clinical reasons but also from measurement errors due to the inter-individual morphological differences.

PUBLICATION RECORD

  • Publication year

    2013

  • Venue

    Comput. methods Biomech. Biomed. Eng. Imaging Vis.

  • Publication date

    2013-03-01

  • Fields of study

    Medicine, Computer Science, Engineering

  • Identifiers
    DOI 10.1080/21681163.2013.766070
  • External record

    Open on Semantic Scholar

  • Source metadata

    Semantic Scholar

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