How does the middle of the abdomen still ache when pressed hard

1, diet is unreasonable, such

as eating more easily gas-producing food, can lead to a lot of gas in the intestinal tract, resulting in increased intestinal pressure, abdominal distension, abdominal pain discomfort, can feel hard when touching the abdomen.

2,

constipation patients with long-term constipation, because a large number of feces accumulated in the intestinal tract, in this case there may be abdominal distension and abdominal pain and other discomfort symptoms, and usually can feel hard stool when touching.

3, acute peritonitis is

usually related to bacterial infection, which can lead to abdominal muscle tension, rebound pain and tenderness, so when pressing can feel the abdomen is relatively hard.