Observe the degree of abdominal bulge, whether it is chronic or limited. Whether there is local scar, navel position, abdominal muscle tension, rectus abdominis separation.

2. Inspection method of rectus abdominis separation

The patient stands upright, leans back against the support, and presses the white line of the lower abdomen longitudinally with the ulnar side of his hand to understand the separation of the rectus abdominis.

Selection experiment

Knowing the amount of excess skin fat and skin in abdomen is very helpful for evaluating the amount of tissue taken out during surgery and surgical design.

4. Other experiments

To know whether there is abdominal hernia, measure the waist circumference.