Tongue stretching exercises improve tongue motility and oromotor function in patients with dysphagia after stroke: A preliminary randomized controlled trial

•Tongue stretching exercises increased the tongue motility in patients with dysphagia after stroke.•Tongue stretching exercises had a positive effect on oromotor function in patients with dysphagia after stroke.•Tongue stretching exercises can be used as an effective treatment for patients with oral...

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Bibliographic Details
Published in:Archives of oral biology 2019-12, Vol.108, p.104521-104521, Article 104521
Main Authors: Hwang, Na-Kyoung, Kim, Hwan-Hee, Shim, Je-Myung, Park, Ji-Su
Format: Article
Language:English
Subjects:
Deglutition
Deglutition Disorders - etiology
Deglutition Disorders - therapy
Dentistry
Double-Blind Method
Exercise Therapy
Function
Humans
Motility
Muscle stretching exercises
Oral dysphagia
Oromotor
Stroke - complications
Swallowing
Swallowing study
Tongue
Videofluoroscopic
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Summary:•Tongue stretching exercises increased the tongue motility in patients with dysphagia after stroke.•Tongue stretching exercises had a positive effect on oromotor function in patients with dysphagia after stroke.•Tongue stretching exercises can be used as an effective treatment for patients with oral dysphagia. This study investigated the effect of tongue stretching exercises (TSE) on tongue motility and oromotor function in patients with dysphagia after stroke. This study was designed as a 4-week, double-blind, two-group, block randomized controlled trial. A total of 25 patients were randomly allocated into either the experimental (n = 13) or the control group (n = 12). The experimental group received TSE from an occupational therapist. TSE were divided into dynamic and static passive stretching exercises (20 repetitions each). The intervention was performed five times a week for four weeks. Tongue motility was measured before and after the intervention as the distance from the lower lip to the tip of tongue during maximum protrusion of the tongue. Measurements were performed twice each time and the mean value recorded. Oromotor function was assessed using the oral phase events of the videofluoroscopic dysphagia scale (VDS) based on a videofluoroscopic swallowing study. The experimental group showed significant differences in tongue motility, bolus formation, tongue to palate contact, premature bolus loss, and oral transit time in the oral phase of VDS (p 
ISSN:0003-9969
1879-1506
DOI:10.1016/j.archoralbio.2019.104521