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- Title
Examining the Relationship Between Stroke and Labial Strength.
- Authors
Weeks, Katie; Dzielak, David; Hamadain, Elgenaid; Bailey, Jessica
- Abstract
Purpose: The purpose of this study was to determine if a significant difference in labial strength exists between healthy controls, individuals who had experienced a stroke with no deficits, individuals who had experienced a stroke and dysarthria, and individuals who had experienced a stroke with dysarthria and dysphagia. Method: Four groups participated in the study: a control group of healthy adults and 3 experimental groups of patients with a diagnosis of stroke. The experimental groups were characterized according to the following features: labial weakness only, dysarthria, and dysarthria and dysphagia. All participants performed an oral motor evaluation, diadochokinetic rates, clinical swallow evaluation, and bilateral measurements of labial strength using the Iowa Oral Performance Instrument (IOPI; Iowa Oral Performance Instrument Medical, 2010). Results: Significant differences in labial strength were found on the side affected by the stroke among all of the experimental groups. Surprisingly, smaller yet significant differences in labial strength of the unaffected side were also discovered between the control and experimental groups. A correlation analysis showed a strong, negative relationship between labial strength and a participant's stroke-related deficits. Conclusion: Participants in the experimental groups displayed labial weakness on both the affected and unaffected sides. This study contributes to the body of knowledge regarding labial strength required for conducting particular tasks such as producing precise bilabial sounds for purposes of intelligible speech and maintaining adequate labial seal while drinking. This study also opens up areas for future research, including comparing the site of a stroke with resultant labial deficits.
- Subjects
STROKE diagnosis; ANALYSIS of variance; ARTICULATION disorders; CEREBROVASCULAR disease diagnosis; STATISTICAL correlation; DEGLUTITION disorders; LINGUAL frenum; INTELLIGIBILITY of speech; STATISTICS; T-test (Statistics); DATA analysis; SEVERITY of illness index
- Publication
Contemporary Issues in Communication Science & Disorders, 2013, Vol 40, p160
- ISSN
1092-5171
- Publication type
Article
- DOI
10.1044/cicsd_40_f_160