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Journal of Speech and Hearing Research Vol.33 798-807 December 1990.
© American Speech-Language-Hearing Association
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Speech Breathing in Individuals with Cervical Spinal Cord Injury

Jeannette D. Hoit 1
Robert B. Banzett 1
Robert Brown 2

Stephen H. Loring 1
1 Harvard School of Public Health
2 Brockton/West Roxbury U.S. Department of Veterans Affairs Medical Center

Ten men with cervical spinal cord injury were studied using magnetometers to record surface motions of the chest wall during speech breathing. Individual speech breathing patterns reflected inspiratory and expiratory muscular sparing. Subjects compensated for expiratory muscle impairment by speaking at large lung volumes, presumably to take advantage of the higher recoil pressures available at those volumes. Similarly, subjects used larger lung volumes to increase loudness. Abnormal chest wall behavior was attributed in large part to loss of abdominal muscle function. Because of this, speech breathing in individuals with cervical spinal cord injury may be improved by the use of abdominal binders.

KEY WORDS: speech, breathing, spinal cord injury, magnetometers, abdominal binders

Submitted on December 29, 1989
Accepted on July 5, 1990


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