Intercostal retractions are the inward movement of the muscles between the ribs as a result of reduced pressure in the chest cavity. The movements are usually a sign of difficulty with breathing.
Retractions of the chest muscles
The chest wall is flexible, which allows for normal breathing. Cartilage that attaches the ribs to the sternum (breast bone) allows free movement of bony structures so that the rib cage can expand and...Read more
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