Surface Recordings of Respiratory Muscle Activity during Speech Some Preliminary Findings Research Article
Research Article  |   September 01, 1989
Surface Recordings of Respiratory Muscle Activity during Speech
 
Author Affiliations & Notes
  • David H. McFarland
    Purdue University
  • Anne Smith
    Purdue University
Article Information
Research Articles
Research Article   |   September 01, 1989
Surface Recordings of Respiratory Muscle Activity during Speech
Journal of Speech, Language, and Hearing Research, September 1989, Vol. 32, 657-667. doi:10.1044/jshr.3203.657
History: Received June 16, 1988 , Accepted February 22, 1989
 
Journal of Speech, Language, and Hearing Research, September 1989, Vol. 32, 657-667. doi:10.1044/jshr.3203.657
History: Received June 16, 1988; Accepted February 22, 1989

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.

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