To quantify the anterior-posterior velocity gradient, we studied the velocity flow fields above the vocal folds in both the midcoronal and midsagittal planes. It was also our purpose to use these fields to deduce the mechanisms that cause the anterior-posterior gradient and to determine whether the vortical structures are highly 3-dimensional.
Dept of Otolaryngology-Head and Neck Surgery, University of Cincinnati Medical Center, 231 Albert B. Sabin Way, ML #0528, Cincinnati, OH 42567-0528, USA.
