The hiatus is an opening in your diaphragm muscle that allows your food pipe to pass through to your stomach. A hiatal hernia happens when a portion of your stomach pushes up through the hiatus and into your chest, according to Health Services at Columbia University.

An epigastric hernia occurs in your upper abdomen when a bit of your peritoneum, or lining of your stomach cavity, peers through a separation in the muscle wall. Epigastric hernias are less common than hernias in the lower abdomen, with only a 0.5 percent prevalence rate, according to K.M Erickson of Sonographers.ca.

Hernias often occur when you've exerted your body to the point where the pressure is so extreme that a sac of lining pushes through the tissue surrounding a muscles. Abdominal and femoral hernias are common in adults and are usually the result of strain.

A hiatal hernia occurs when a section of the stomach moves above the diaphragm into the chest cavity through the hiatus. The hiatus is the small opening in the diaphragm where the esophagus travels to the stomach. The diaphragm is the layer of muscle separating the chest and abdominal cavities.

Hernias are a common affliction that can occur in men, women and children. More than 70 percent of all hernias are called inguinal hernias. Inguinal hernias cause the intestines to bulge through an opening near the groin, according to Teens Health.

A hiatal hernia occurs when a small part of your stomach pokes through a hole in the wall of your diaphragm. Your diaphragm is the muscle that controls breathing and is located in your abdomen. Hiatal hernias can be mild and asymptomatic or they can become large and produce heartburn.

A hiatal hernia, which occurs when the stomach presses up into the diaphragm, can vary in severity of pain and symptoms. Large hernias often require surgery, but smaller ones may go unnoticed.

An incisional hernia is a medical condition in which the intestine protrudes through an incision within the abdominal wall following abdominal surgery. This condition is caused by the deterioration of scar tissue, which creates a weak point within the abdominal wall.

A hernia is caused by part an internal organ pushing through a weak area of muscle. Inguinal, or groin, hernias are the most common, according to MedlinePlus, but hernias can also occur in the abdominal wall.

The hiatus hernia, also called the hiatal hernia, can cause significant pain and discomfort, although some people may not have symptoms or have occasional bouts of digestive distress.

A strangulated hernia is a medical condition in which the fat within the abdomen or a portion of the small intestine pushes through an area within the lower abdominal muscles, cutting off blood supply to the small intestine.

A hiatial or hiatus hernia occurs when the stomach protrudes through a weakened portion of the diaphragm, a large muscle that separates the abdominal and chest cavities.