Muscle Tone and the Speech-Language Pathologist: Definitions, Neurophysiology, Assessment, and Interventions Abnormal muscle tone is presumed to underlie certain types of dysarthria and dysphagia. However, the speech-language pathologist rarely assesses orofacial muscle tone, presumably because of a lack of training and the unavailability of adequate tools. This article reviews the general mechanisms underlying muscle tone, explains sensory and motor therapeutic strategies ... Article
Article  |   March 2012
Muscle Tone and the Speech-Language Pathologist: Definitions, Neurophysiology, Assessment, and Interventions
Author Affiliations & Notes
  • Heather M. Clark
    Department of Communication Sciences and Disorders, Appalachian State University, Boone, NC
  • Nancy Pearl Solomon
    Audiology & Speech Center, Walter Reed National Military Medical Center, Bethesda, MD
Article Information
Swallowing, Dysphagia & Feeding Disorders / Special Populations / Articles
Article   |   March 2012
Muscle Tone and the Speech-Language Pathologist: Definitions, Neurophysiology, Assessment, and Interventions
SIG 13 Perspectives on Swallowing and Swallowing Disorders (Dysphagia), March 2012, Vol. 21, 9-14. doi:10.1044/sasd21.1.9
SIG 13 Perspectives on Swallowing and Swallowing Disorders (Dysphagia), March 2012, Vol. 21, 9-14. doi:10.1044/sasd21.1.9

Abnormal muscle tone is presumed to underlie certain types of dysarthria and dysphagia. However, the speech-language pathologist rarely assesses orofacial muscle tone, presumably because of a lack of training and the unavailability of adequate tools. This article reviews the general mechanisms underlying muscle tone, explains sensory and motor therapeutic strategies that target muscle tone, and introduces new measurement tools.

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