抄録
Clinical observations using laryngostrobovideography were conducted to clarify the dynamic movement of air tract fluid in lubricating the larynx during phonation. In patients with normal wave motions of the vocal fold mucous membrane during phonation, the following phenomenon was noted: During phonation, rotating columns of air tract fluid formed bilaterally on the upper surface of the vocal folds. Consequently, it was demonstrated that dynamic movement of fluid in the air tract was closely correlated to the vocal fold vibration, especially in the wave motions of the vocal fold mucous membranes.
