Why FacExer and how it works — Deglutition disorders
Oral Motor Exercises : FacExer Provides An External Resistance For Head, Face and Neck Muscles Workout.
Deglutition Deglutition disorders Deglutition — Deglutition disorders — Dysphagia — Swallowing Exercise Strengthening Muscle. Dysphagia Swallowing Swallowing Exercise
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3913904/
"Speech articulation is often described as the most complex motor behaviour, because over 100 muscles are involved, and the movements occur on an extremely rapid timescale." (Conant, Bouchard, & Chang, 2014)