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  • Title: [Adaptation of body plethysmography to the study of respiratory mechanics during muscular exercise (author's transl)].
    Author: Guénard H, Vieillefond H, Varène P.
    Journal: Bull Eur Physiopathol Respir; 1977; 13(3):399-407. PubMed ID: 880401.
    Abstract:
    A pressure-corrected integrated flow plethysmograph allowing the study of mechanical characteristics of the ventilatory system during muscular exercise is described. In order to limit the increase in temperature inside the body box during exercise, a forced convective flow passes through the box. Thermal exchanges induced by this flow have been studied. They are sufficient to allow muscular exercise during 15 minutes at a constant power of 100 W. It has been verified that this type of box allows measurement of the usual parameters of ventilatory mechanics: pulmonary volumes, compliance, resistance using the panting method. The measurement of resistance during spontaneous breathing inside the box is not possible.
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