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Targeted resistive ventilatory muscle training in chronic obstructive pulmonary disease

Targeted resistive ventilatory muscle training in chronic obstructive pulmonary disease TWO METHODS of have been used in the past. The first is the hyperpneic method in which patients rebreathe at high minute ventilations for prolonged periods. This method improves endurance as measured by the maximal sustained capacity (MSVC) (6, 22, 23, 24). The second method is the method in which patients breathe through inspiratory resistances of varying magnitude, usually at normal breathing frequencies. Several reports have documented that , there is an improved ability to breathe through smaller inspiratory orifices (1, 10,20, 27). It is assumed, but not proven, that in these studies the use of a smaller orifice implies a higher inspiratory resistance and improved endurance. Breathing strategy is an important determinant of breathing endurance (4, 5, 11, 21, 25) and alterations in breathing pattern result in improved ability to breathe through smaller orifices in patients with COPD (8). Furthermore, a change in breathing strategy results in a reduction in perceived effort (21). The important variables that influence breathing endurance include inspiratory mouth pressure, inspiratory time, duty cycle, 2726 0161-7567/88 $1.50 Copyright improved their ability to breathe through smaller orifices as a result of improved endurance, or because of changes in breathing strategy. The change in breathing http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Applied Physiology The American Physiological Society

Targeted resistive ventilatory muscle training in chronic obstructive pulmonary disease

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Publisher
The American Physiological Society
Copyright
Copyright © 1988 the American Physiological Society
ISSN
8750-7587
eISSN
1522-1601
Publisher site
See Article on Publisher Site

Abstract

TWO METHODS of have been used in the past. The first is the hyperpneic method in which patients rebreathe at high minute ventilations for prolonged periods. This method improves endurance as measured by the maximal sustained capacity (MSVC) (6, 22, 23, 24). The second method is the method in which patients breathe through inspiratory resistances of varying magnitude, usually at normal breathing frequencies. Several reports have documented that , there is an improved ability to breathe through smaller inspiratory orifices (1, 10,20, 27). It is assumed, but not proven, that in these studies the use of a smaller orifice implies a higher inspiratory resistance and improved endurance. Breathing strategy is an important determinant of breathing endurance (4, 5, 11, 21, 25) and alterations in breathing pattern result in improved ability to breathe through smaller orifices in patients with COPD (8). Furthermore, a change in breathing strategy results in a reduction in perceived effort (21). The important variables that influence breathing endurance include inspiratory mouth pressure, inspiratory time, duty cycle, 2726 0161-7567/88 $1.50 Copyright improved their ability to breathe through smaller orifices as a result of improved endurance, or because of changes in breathing strategy. The change in breathing

Journal

Journal of Applied PhysiologyThe American Physiological Society

Published: Dec 1, 1988

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