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An osteopathic technique in which the rib cage and thoracic spine are manipulated with the intent of improving the lymphatic circulation to the chest; in this technique, the osteopath pushes upward on the anterior chest wall or pulls the posterior chest wall in an anterosuperior direction.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
The negative pressure in the chest during inspiration that pulls venous blood into the vena cava and right side of the heart so that it can circulate to the lungs.
See also: pump
Medical Dictionary, © 2009 Farlex and Partners