
There are many reasons why your stomach muscles may stick out. The most common cause is diastasis recti, which occurs when the left and right abdominal muscles separate during pregnancy, causing a bulge in the midsection. This can also be due to obesity, rapid weight gain, or lifting heavy weights. Hernias can also cause the stomach to protrude, as they are the result of an organ or intestine pushing through the abdominal wall. Poor posture, scoliosis, muscle imbalance, diet, and lack of exercise can also contribute to a protruding stomach. In most cases, lifestyle changes and specific exercises can help reduce abdominal bulging. However, it is important to consult a healthcare professional if you are concerned or experiencing any unusual symptoms, as a protruding stomach can sometimes indicate a more serious health issue.
| Characteristics | Values |
|---|---|
| Cause | Poor posture, scoliosis, muscle imbalance, diet, lack of exercise, diastasis recti, hernia |
| Treatment | Lifestyle and diet changes, specific exercises, physical therapy, medical diagnosis and treatment plan |
| Prevention | Regular exercise, including cardio and strength training, maintaining good posture |
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What You'll Learn

Diastasis recti
The muscle opening often shrinks after giving birth, but in some cases, it may not return to normal even a year later. Healing diastasis recti involves avoiding activities that put pressure on the core, such as bearing down during a bowel movement or holding your breath while lifting something heavy. Certain exercises, such as crunches, sit-ups, and push-ups, can also worsen the condition. Instead, focus on exercises that strengthen the transverse (deep core) belly muscles, such as Pilates, but only after consulting with a trained professional.
To check for diastasis recti, lie on your back with your knees bent and feet flat on the floor. Place your fingers at your navel and lift your head and neck as if starting a crunch. If you feel more than two fingers-width of space between your abdominal muscles, you likely have diastasis recti. However, it is always recommended to consult a healthcare provider for a proper diagnosis and treatment plan.
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Hernias
A hernia occurs when an organ or tissue protrudes through a weak point in the surrounding muscle or tissue wall. Hernias can occur in the abdomen or groin, and they are usually not an urgent health concern. However, they tend to grow bigger over time and most will eventually require surgical repair. Hernias are classified by where they appear in the abdomen, and it is possible to have more than one. Here are some of the most common types of hernias:
Inguinal Hernia
Inguinal hernias are the most common type of hernia, accounting for 75% of all hernias and predominantly affecting men. They occur when part of the bowel pushes through the inguinal canal, a passageway in the inner thigh.
Femoral Hernia
Femoral hernias are a less common type of groin hernia that occurs when fatty tissue pushes through the femoral canal, located underneath the inguinal canal. They are more prevalent in women and can cause invisible, unexplained groin pain.
Hiatal Hernia
A hiatal hernia occurs when the opening in the diaphragm, where the oesophagus passes through, widens, allowing the top of the stomach to push up into the chest cavity. This type of hernia is most common in people over 50 years old and frequently causes gastroesophageal reflux disease (GERD).
Umbilical Hernia
Umbilical hernias occur when a weak spot in the belly allows fat, fluid, or intestine to push through, creating a lump or bulge near the belly button. They are more common in infants and often heal on their own as the child grows, but surgery may be necessary in some cases.
Epigastric Hernia
Epigastric hernias occur when a weakened abdominal wall allows fat to push through, typically resulting in a small bulge between the belly button and breastbone. These hernias usually do not cause symptoms but can lead to upper belly pain.
Spigelian Hernia
Spigelian hernias are rare and occur in the midst of abdominal muscles, making them less visible as a bulge or lump. Due to their small size, there is a higher risk of developing a strangulated hernia, which requires emergency surgery.
While hernias are generally not a medical emergency, it is important to consult a doctor for a proper diagnosis and treatment plan.
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Poor posture
To improve your posture and reduce the appearance of a protruding stomach, you can try the following:
- Suck in your stomach to activate your deep core muscles.
- Tilt your pelvis back to counter the forward tilt caused by tight hip flexors.
- Practice good posture throughout the day, especially when sitting at a desk.
- Try a posture corrective device, such as a bra or braces, to train your muscles to maintain good posture.
- Seek guidance from healthcare professionals, such as a physiotherapist, to identify and correct any postural imbalances.
- Identify and address any dietary sensitivities or intolerances that may contribute to bloating.
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Scoliosis
The spine's natural curves play a crucial role in maintaining balance, posture, movement, and flexibility. Scoliosis can disrupt these functions, affecting not just the back but also the shape of the body. The curve can cause differences in muscle development, with the spinal deformity impacting the body's alignment and organ function. In severe cases, scoliosis may compress the stomach and intestines, leading to digestive issues such as bloating, tummy pain, and changes in bowel movements. Additionally, the spinal curve can affect the rib cage's ability to expand, resulting in shortness of breath and, in the most severe cases, reduced cardiac output.
The treatment options for scoliosis aim to preserve the spine's natural function and restore its healthy curves. Conservative chiropractic-centred treatments, physical therapy, exercises, and in some cases, braces or surgery, can be employed. Addressing muscle imbalance and improving core strength through targeted exercises can help stabilise the spine and improve posture, reducing the appearance of a protruding stomach. Dietary adjustments, such as eating a balanced diet rich in fibre and avoiding trigger foods, can also help alleviate digestive symptoms and promote regular bowel movements.
It is important to note that mild scoliosis may not present noticeable symptoms, and the severity of symptoms tends to increase as the condition progresses. Recognising early signs and seeking appropriate treatment can greatly improve the quality of life for individuals with scoliosis. Additionally, maintaining a healthy weight, staying active, and practising good posture can positively impact both scoliosis and hyperlordosis.
While scoliosis itself may not be the primary cause of a protruding stomach, it can contribute to this appearance through its impact on body shape, posture, and organ function. The interplay between muscle imbalances, posture, and spinal alignment is crucial for addressing abdominal protrusion. Seeking guidance from healthcare professionals is recommended to receive tailored advice and rule out any underlying medical conditions.
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Muscle imbalance
Scoliosis, a condition affecting the spine, can also cause muscle imbalance, impacting muscle development and balance throughout the body. The spinal curve characteristic of scoliosis can cause the pelvis to tilt forward, a condition known as anterior pelvic tilt. This tilt affects the abdominal muscles, causing them to become weak and stretched, leading to a bigger stomach bulge. The muscles on the inside of the curve may become shorter and tighter, while those on the outside may become weaker and overstretched. This uneven tension in the abdominal wall can make the stomach appear to stick out.
To address muscle imbalance and reduce abdominal protrusion, specific exercises that strengthen the core muscles are recommended. Cardio and strength training can help build and maintain core muscle strength and overall muscle mass, leading to a more toned appearance and improved health. Additionally, focusing on maintaining good posture and proper posture practices can help reduce the appearance of a protruding stomach.
In some cases, a protruding stomach may be related to an underlying health condition. Diastasis recti, a condition that occurs when the left and right abdominal muscles separate, can cause a bulge in the midsection. This condition is commonly associated with pregnancy, but it can also affect men and women who have never been pregnant due to factors such as obesity, rapid weight gain, or lifting heavy weights. Hernias, which occur when an organ or intestine pokes through the abdominal wall, can also cause a protruding stomach. Seeking advice from a healthcare professional is recommended if you are concerned about a protruding stomach or experience sudden stomach swelling, severe pain, ongoing digestive issues, or unusual changes in bowel habits.
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Frequently asked questions
Diastasis recti, a separation of the abdominal muscles, is a common cause of the stomach sticking out. It is often seen in pregnant people and new mothers, but can also be caused by lifting heavy weights or rapid weight gain. Hernias, which are bulges caused by a weakness in the abdominal wall, can also cause the stomach to stick out during sit-ups.
Diastasis recti is a condition where the left and right abdominal muscles separate, causing a bulge in the abdomen. This can be caused by pregnancy, obesity, or certain medical conditions that put pressure on the abdominal muscles.
Common signs of diastasis recti include a bulge in the midsection that doesn't go away, even after weight loss. You may also feel weakness in your core when performing simple tasks, or notice a jelly-like texture between your abdominal muscles when contracting them.
Diastasis recti itself is not typically painful or dangerous, but it can be a cosmetic concern for some people. However, it is important to consult a doctor for a proper diagnosis and treatment plan.
A protruding stomach can be managed by improving your posture, making lifestyle changes, and doing specific exercises that strengthen the core muscles. In some cases, seeking professional help from a healthcare provider may be necessary.











































