Flexible marker set for human gait analysis.
A redundant flexible set of 44 skin markers has been developed to study human gait. In practice, only subsets of the marker system are used for individual gait studies. Software structure allows extreme flexibility in specific marker selection sites. Analysis of identical kinematic studies with different marker sets demonstrates the inherent inaccuracies of rotational wands and skin marker sets that have been commonly used for motion analysis.
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Department of Orthopaedic Surgery, University of California, Davis, Sacramento, California, USA; Motion Analysis Laboratory, University of California, Davis, Sacramento, California, USA.