Retractions of the chest muscles
Definition of Intercostal retractions
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.
Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc. – 4/26/2010