For when a solution of continuity occurs in the lungs, the inspiratory and expiratory forces fail.
For example, in the diaphragm we make voice by an eccentric action of the inspiratory muscles.
They embody disturbances of various functional acts, and may be subdivided into inspiratory and expiratory tics.
First, a quick deep breath is taken by means of the inspiratory muscles.
inspiratory in·spi·ra·to·ry (ĭn-spīr'ə-tôr'ē)
Of, relating to, or used for the drawing in of air.