Dr Harsh Shah
MS, MCh (Surgical Gastroenterology), DrNB (Surgical Gastroenterology)
Registered with Gujarat Medical Council, Reg. No. G-38738
Robotic Hernia Surgeon · Apollo Hospital, Bhat, Gandhinagar · Gota OPD, Ahmedabad
In short
Many people notice a soft ridge running down the middle of the belly when they sit up from lying down. It is common after pregnancy. The first worry is often that it is a hernia.
Usually it is not. It is a muscle gap, called diastasis recti. This page explains the difference and what can be done.
Two long, flat muscles run down the front of the belly, one on each side. They are joined in the middle by a band of tough tissue. When this band stretches, the muscles drift apart and the gap widens.
Pregnancy stretches it most. Twins, more than one pregnancy, a lot of belly fat and heavy straining add to it.
A hernia is a hole in the belly wall. Fat or bowel pushes out through it and can get stuck. In a muscle gap there is no hole. The middle layer is thin and stretched, but it is still whole.
That is why a gap on its own does not trap bowel. It can still cause a bulge, back ache, or a feeling that the core is weak.
Muscle gap and hernia side by side
| Point | Muscle gap (diastasis) | Hernia |
|---|---|---|
| What you see | A long ridge from ribs towards the navel | A round lump in one spot |
| When it shows | When you sit up or strain | When you stand, cough or strain |
| Opening in the wall | No tight opening, the layer is stretched | A hole that bowel or fat pushes through |
| Risk of trapping bowel | None | Small, but real |
| First step | Guided core exercises | Review by a surgeon |
Noticed a ridge down your belly when you sit up? An examination and an ultrasound can tell a gap from a hernia.
Most people start with guided core exercises. A physiotherapist can teach which moves help and which ones push the belly out. Losing extra weight and treating constipation also help.
After pregnancy, the gap often gets smaller over the first months on its own.
Surgery is considered when a wide gap still causes a bulge or pain after a fair trial of exercise, or when a hernia sits in the gap. The surgeon stitches the two muscles back together and repairs any hernia at the same time.
This can be done by keyhole or robotic surgery, through small cuts. It is a planned operation, never an emergency one.
No. A muscle gap has no tight opening, so bowel cannot get trapped in it. It can still cause a bulge, back ache or a weak feeling in the core.
Yes. A small hernia at the belly button often sits in the middle of a muscle gap. An ultrasound shows both.
Often the gap gets smaller, and the core gets stronger, with the right exercises. A physiotherapist can guide you, especially after pregnancy.
Yes. It is seen in men with a lot of belly fat, after big weight changes, and with heavy lifting that strains the belly.
Surgery is discussed when a wide gap still causes trouble after exercise, or when a hernia sits in it. The muscles are brought back together.
The main page on this site is robotic hernia surgery in Ahmedabad. These cover the neighbouring questions.
Where to find us
Dr Harsh Shah, MS, MCh (Surgical Gastroenterology), DrNB (Surgical Gastroenterology)
Shah's Gastro, Cancer & Robotic Surgery Centre
Apollo Hospital, Bhat, Gandhinagar
Gota OPD, Ahmedabad
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