Fig. 2

Videofluoroscopy. A Lateral view. B Frontal view showing upper airway dimensions in millimeters during Muller’s maneuver: (a) soft palatal length, (b) distance between soft palate and posterior pharyngeal wall, (c) distance between tongue base and posterior pharyngeal wall, (d) distance between tip of epiglottis and posterior pharyngeal wall, and (e) distance between lateral pharyngeal wall