Breathing pattern and kinematics in normal subjects during speech, singing and loud whispering

Aims:  We used for the first time a non‐invasive optoelectronic plethysmography to assess breathing movements and to provide a quantitative description of chest wall kinematics during phonation. Methods:  Volumes of different chest wall compartments (abdomen and lung apposed to rib cage and abdomen)...

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Bibliographic Details
Published in:Acta Physiologica 2006-03, Vol.186 (3), p.233-246
Main Authors: Binazzi, B., Lanini, B., Bianchi, R., Romagnoli, I., Nerini, M., Gigliotti, F., Duranti, R., Milic-Emili, J., Scano, G.
Format: Article
Language:English
Subjects:
Adult
Air breathing
Anthropometry
Biological and medical sciences
Biomechanical Phenomena
breathing pattern
Ear and associated structures. Auditory pathways and centers. Hearing. Vocal organ. Phonation. Sound production. Echolocation
Exercise - physiology
Female
Forced Expiratory Volume - physiology
Fundamental and applied biological sciences. Psychology
Humans
lung volumes
Male
Middle Aged
optoelectronic plethysmography
Phonation - physiology
phonatory tasks
Plethysmography - methods
Respiratory Function Tests
Respiratory Mechanics - physiology
Respiratory system: anatomy, metabolism, gas exchange, ventilatory mechanics, respiratory hemodynamics
Sex Characteristics
Thoracic Wall - physiology
Vertebrates: nervous system and sense organs
Vertebrates: respiratory system
Vital Capacity - physiology
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Summary:Aims:  We used for the first time a non‐invasive optoelectronic plethysmography to assess breathing movements and to provide a quantitative description of chest wall kinematics during phonation. Methods:  Volumes of different chest wall compartments (abdomen and lung apposed to rib cage and abdomen) were assessed using optoelectronic plethysmography in 16 normal Italians (eight men) during reading, singing and high‐effort whispering (HW). Results:  During phonation the breathing pattern was different from quiet breathing and exercise. (1) During phonation, tidal volume and expiratory time increased while inspiratory time decreased. The expiratory volume changes and flows during HW were considerably greater than during vocalization. During HW, the overall end‐expiratory thoracic volume significantly decreased as a result of decreased volume of all compartments and essentially impinged on the maximal expiratory flow‐volume curve. (2) While, as previously shown, during exercise the expired volume is due entirely to the abdomen, during phonation all three chest wall compartments contribute to it. Under all conditions studied breathing was, on average, more costal in females than in males but this was mainly related to different size rather than gender per se. Conclusions:  Physical characteristics have a greater importance than gender in determining breathing pattern and chest wall kinematics during phonation. The activity of the control of expiration during phonation is more complex than during exercise.
ISSN:1748-1708
1748-1716
DOI:10.1111/j.1748-1716.2006.01529.x