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If increased effort is needed to fill the lungs, supraclavicular and infraclavicular retraction may be seen. In infants, sternal retraction occurs with only a slight increase in respiratory effort, the result of the pliability of their chests. Compare intercostal bulging.
These movements are known as intercostal retractions, or recession. Intercostal retractions indicate that something is blocking your airway. Asthma, pneumonia, and other respiratory diseases can all cause a blockage. Seek medical help immediately if you or someone youâre with experiences intercostal recession.