Video 1 - Normal subject swallowing as viewed from a simultaneous fluoroscopy and endoscopy study.
From the following article
Endoscopic evaluation of oral and pharyngeal phases of swallowing
Susan E. Langmore
GI Motility online (2006)
doi:10.1038/gimo28
If you view the studies in slow motion, you will be able to correlate some movements such as epiglottal retroflexion and arytenoid anterior tilt. If you view the last swallow slowly, you will be able to appreciate the normal sequence of events as the airway closes for the swallow.
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