Divarication of rectus abdominis muscles

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The rectus abdominis muscles should meet in the midline at the linea alba. Superior to the umbilicus, some people have a congenital defect that results in a wider gap between them. As a result, when a patient flexes the abdominal muscles as when doing a sit-up, the rectus muscles spread apart (divaricate). Compare epigastric hernia.

Divarication is common in obese men. It can be surgically corrected, although such an operation would be almost entirely for cosmetic purposes and not of any functional value.