Mechanisms of airway protection during chin-down swallowing.

  title={Mechanisms of airway protection during chin-down swallowing.},
  author={Phoebe Macrae and Cheryl Anderson and Ianessa A. Humbert},
  journal={Journal of speech, language, and hearing research : JSLHR},
  volume={57 4},
PURPOSE This study examined the effects of chin-down swallowing on laryngeal vestibule closure. It also investigated the technique's rehabilitative impact, by assessing the stability of effects across multiple trials and aftereffects in neutral swallows on cessation of the technique. METHOD Duration of laryngeal vestibule closure (dLVC) was measured with videofluoroscopy in 16 healthy participants (mean = 33.2 years, 9 men). Participants swallowed 40 times: 5 head-neutral swallows (N1), then… CONTINUE READING