• Catherine Mackenzie, Margaret Muir, and Carolyn Allen.
• Educational and Professional Studies, University of Strathclyde, Glasgow, UK. c.mackenzie@strath.ac.uk
• Int J Lang Commun Disord. 2010 Nov 1;45(6):617-29.

BackgroundNon-speech oro-motor exercises (NSOMExs) are described in speech and language therapy manuals and are thought to be much used in acquired dysarthria intervention, though there is no robust evidence of an influence on speech outcome. Opinions differ as to whether, and for which dysarthria presentations, NSOMExs are appropriate.AimsThe investigation sought to collect development-phase data, in accordance with the Medical Research Council (MRC) evaluation of complex interventions. The aims were to establish the extent of use of NSOMExs in acquired disorders, the exercise regimes in use for dysarthria, with which dysarthric populations, and the anticipated clinical outcomes. A further aim was to determine the influencing rationales where NSOMExs were or were not used in dysarthria intervention.Methods & ProceduresSpeech and language therapists throughout Scotland, Wales, and Northern Ireland, working with adult-acquired dysarthria, were identified by their service heads. They received postal questionnaires comprising 21 closed and two open questions, covering respondent biographics, use of NSOMExs, anticipated clinical outcomes, and practice influencing rationales.Outcome & ResultsOne hundred and ninety-one (56% response) completed questionnaires were returned. Eighty-one per cent of respondents used NSOMExs in dysarthria. There was no association with years of speech and language therapy experience. Those who used and those who did not use NSOMExs provided similar influencing rationales, including evidence from their own practice, and Higher Education Institute teaching. More experienced speech and language therapists were more likely than those more recently qualified to be guided by results from their own practice. Input from the attended Higher Education Institute was more influential for those less experienced than for those more experienced. Clinical outcome aims were not confined to speech, but also included improvements in movement, sensory awareness, appearance, emotional status, dysphagia and drooling. NSOMExs were used with many neurological disorders, especially stroke, all dysarthria classes, especially flaccid, and all severity levels. Tongue and lip exercises were more frequent than face, jaw and soft palate. The most common regimes were four to six repetitions of each exercise, during three practice periods daily, each of 6–10 min.Conclusions & ImplicationsNSOMExs are a frequent component of dysarthria management in the UK-devolved government countries. This confirmation, along with the details of speech and language therapy practice, provides a foundation for clinical research which will compare outcomes for people with dysarthria, whose management includes and does not include NSOMExs. Speech and language therapy practice may be guided by evidence that speech outcome is or is not affected by NSOMExs.

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