Theodore A. Wilson
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View article: Action of the diaphragm on the rib cage
Action of the diaphragm on the rib cage Open
When the diaphragm contracts, pleural pressure falls, exerting a caudal and inward force on the entire rib cage. However, the diaphragm also exerts forces in the cranial and outward direction on the lower ribs. One of these forces, the “in…