The diaphragm of preterm newborns is flat, weak and horizontally inserted in the rib cage. Consequently, it hampers the lever mechanism during muscle contraction, reduces the efficiency of pulmonary ventilation… Click to show full abstract
The diaphragm of preterm newborns is flat, weak and horizontally inserted in the rib cage. Consequently, it hampers the lever mechanism during muscle contraction, reduces the efficiency of pulmonary ventilation and chest expansion and increases energy expenditure.
               
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