Three-dimensional video-analysis of facial movements in healthy volunteers.

@article{Giovanoli2003ThreedimensionalVO,
  title={Three-dimensional video-analysis of facial movements in healthy volunteers.},
  author={Pietro Giovanoli and C-H J Tzou and Meinrad Ploner and Manfred Frey},
  journal={British journal of plastic surgery},
  year={2003},
  volume={56 7},
  pages={644-52}
}
The aim of this study was to determine the mean distances of facial movements in 24 healthy individuals aged between 22 and 70 years, using the digitised three-dimensional video-analysis system developed by Frey et al. The subjects were divided into three groups of eight. The first group consisted of individuals aged between 20 and 30 years (mean+/-s.d.=25.0+/-2.33 years). Subjects in the second group were aged between 40 and 50 years (mean+/-s.d.=46.8+/-2.53 years), and the third group… CONTINUE READING

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