Visible peristaltic waves-2. abdominal respirations-3. increased tympany with percussion-4. "potbelly" appearance-visible peristaltic waves - these are usually more visible in infants and children than in adults because the muscle wall of the abdomen is thinner.
abdominal respirations - are normal in infants and young children.
increased tympany with percussion - children swallow more air than adults when eating, thus creating a greater sound of tympany when percussion is performed.
palpable liver edge - the liver is palpable at or slightly below the costal margin in newborns. it should not be 5 cm below the costal margin.
potbelly appearance - it is normal for an infant or a young child to have a potbelly in the abdomen.