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Journal of Speech and Hearing Research Vol.32 657-667 September 1989.
© American Speech-Language-Hearing Association
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Surface Recordings of Respiratory Muscle Activity during Speech

Some Preliminary Findings

David H. McFarland 1
Anne Smith 1
1 Purdue University

Bipolar electromyographic (EMG) recordings were made from six chest wall and nasal sites with disk electrodes attached to the skin. Electrode locations were based on previous studies of nonspeech breathing and were designed to sample the activity of both primary and accessory respiratory muscles. EMG activity was sampled while subjects performed a series of speech and nonspeeeh tasks. The results revealed that surface electrodes could sample the activity of respiratory muscles during speech and other ventilatory tasks, particularly during the expiratory phases of the breathing cycle.

KEY WORDS: respiratory muscles, electromyography, respiration in speech, physiology of speech production

Submitted on June 16, 1988
Accepted on February 22, 1989






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