Abdominal muscle activity during speech production

Jeannette Dee Hoit, B. L. Plassman, R. W. Lansing, T. J. Hixon

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

Abdominal muscle activity was investigated during resting tidal breathing and speech production in upright and supine body positions in five male and five female young adult subjects. Results showed that patterns of abdominal electromyographic (EMG) activity were highly dependent on body position. Data for resting tidal breathing resembled those of previous investigations and revealed one six-related finding. Data for speech production indicated that the lateral region of the abdomen was highly active in the upright position and occasionally active in the supine position. In the upright position, lateral EMG levels during speech production were characterized by generally higher levels in the lower than upper lateral sites and were almost always higher than during resting tidal breathing. In the supine position, EMG levels during speech production occasionally exceeded those associated with resting tidal breathing but were substantially lower than those associated with upright speech production. Abdominal EMG activity was most prevalent during loud speech production and during speech produced at low lung volumes. Findings are discussed in relation to current knowledge of respiratory mechanics and neural control.

Original languageEnglish (US)
Pages (from-to)2656-2664
Number of pages9
JournalJournal of Applied Physiology
Volume65
Issue number6
StatePublished - 1988

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Abdominal Muscles
Supine Position
Respiration
Respiratory Mechanics
Abdomen
Young Adult
Lung

ASJC Scopus subject areas

  • Endocrinology
  • Physiology
  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation

Cite this

Hoit, J. D., Plassman, B. L., Lansing, R. W., & Hixon, T. J. (1988). Abdominal muscle activity during speech production. Journal of Applied Physiology, 65(6), 2656-2664.

Abdominal muscle activity during speech production. / Hoit, Jeannette Dee; Plassman, B. L.; Lansing, R. W.; Hixon, T. J.

In: Journal of Applied Physiology, Vol. 65, No. 6, 1988, p. 2656-2664.

Research output: Contribution to journalArticle

Hoit, JD, Plassman, BL, Lansing, RW & Hixon, TJ 1988, 'Abdominal muscle activity during speech production', Journal of Applied Physiology, vol. 65, no. 6, pp. 2656-2664.
Hoit JD, Plassman BL, Lansing RW, Hixon TJ. Abdominal muscle activity during speech production. Journal of Applied Physiology. 1988;65(6):2656-2664.
Hoit, Jeannette Dee ; Plassman, B. L. ; Lansing, R. W. ; Hixon, T. J. / Abdominal muscle activity during speech production. In: Journal of Applied Physiology. 1988 ; Vol. 65, No. 6. pp. 2656-2664.
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