The diaphragm is actually a musculotendinous structure which has a peripheral attachment to a number of bony buildings. It is actually attached anteriorly towards the xiphoid course of action and costal margin, laterally into the eleventh and twelfth ribs, and posteriorly into the lumbar vertebrae.Ti?p theo, ki?m tra ??nh k? h? th?ng van c?a b?m c?