forcible inspiration


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for·ci·ble in·spi·ra·tion

(forsi-bĕl inspirāshŭn)
Continuing inhalation beyond the amount of air moved in normal inspiration to achieve maximum lung capacity.

forcible inspiration

Inspiration in which the muscles of inspiration are assisted by accessory muscles of respiration, such as the sternocleidomastoids, intercostals, and serratus posterior. Forced inspiration is normal during vigorous exercise, but indicative of hypoxia, hypercarbia, or acidosis when it occurs at rest.
See also: inspiration