
Abdominal muscle separation, also known as diastasis recti, rectus abdominis diastasis, or RAD, is a condition that occurs when the abdominal muscles separate, causing the abdomen to stick out or bulge. This separation can happen during pregnancy due to the growing uterus and abdomen, as well as hormonal changes, or it can be caused by other factors such as yo-yo dieting, incorrect weight lifting, or sit-ups. The condition is characterised by a gap between the left and right sides of the rectus abdominis muscle, which can range from mild to severe. Treatment options include physical therapy, exercise, and, in extreme cases, surgery.
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What You'll Learn

Causes of abdominal muscle separation
Abdominal muscle separation, also known as diastasis recti, occurs when the left and right abdominal muscles separate, resulting in a protruding abdomen or a "pooch". The condition is characterised by a gap of at least 2.7 centimetres between the left and right sides of the rectus abdominis muscle, which is often noticeable as a bulge down the middle of the stomach.
The most common cause of abdominal muscle separation is pregnancy, affecting about 66% of pregnant women, particularly those over 35, carrying a large baby, pregnant with multiples, or who have had multiple pregnancies. During pregnancy, the growing uterus and expanding abdomen stretch and put strain on the abdominal muscles, causing them to separate. Additionally, hormonal changes during pregnancy can contribute to muscle separation by weakening the connective tissue.
Apart from pregnancy, abdominal muscle separation can also be caused by yo-yo dieting, incorrect weight lifting, and certain exercises like sit-ups and yoga poses such as downward dog. These activities can place excessive strain on the abdominal muscles, leading to their separation. In some cases, abdominal muscle separation can occur in men as well.
It is important to note that abdominal muscle separation can worsen with specific movements and activities. For example, exercises that push the abdominal muscles outward, such as crunches and sit-ups, can exacerbate the condition. Heavy lifting, including lifting children, and certain yoga poses can also make the separation worse. Therefore, it is crucial to consult with a healthcare professional to determine the appropriate treatment plan and avoid activities that may aggravate the condition.
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Signs and symptoms
Abdominal muscle separation, or diastasis recti, is a common condition, especially among pregnant women. While the condition is usually painless, it can cause a range of other symptoms, including:
- A visibly protruding or bulging belly, which may persist for months or years after pregnancy.
- A gap between the abdominal muscles, which can be felt by gently pushing down on the centre of the stomach while lifting the upper body slightly. If the gap is more than two fingers wide, this may indicate abdominal muscle separation.
- Lower back pain, constipation, urinary incontinence, frequent bloating, and changes in posture.
- Weakness in the core, making everyday tasks like lifting objects or walking more difficult.
- A jelly-like texture in the space between the left and right abdominal muscles when contracting the abdominal muscles.
If you think you may have abdominal muscle separation, it is important to consult a healthcare professional for a diagnosis and appropriate treatment plan.
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Diagnosis
Abdominal muscle separation, also known as rectus abdominis diastasis (RAD) or diastasis recti, is a common condition affecting women during and after pregnancy. It occurs when the tissue between the rectus abdominis muscles, the two sides of the "six-pack," stretches or tears, resulting in a gap and weakened connective tissue. While not always painful, abdominal muscle separation can lead to various indicators and side effects, including lower back pain, constipation, urinary incontinence, bloating, and changes in posture.
- Visual Inspection: A healthcare professional will visually inspect the abdomen for any signs of separation. This may include observing the stomach for a bulge or "pooch" just above or below the belly button, which is a common indication of diastasis recti.
- Palpation: The provider will use their hands and fingers to feel the abdominal area for gaps and muscle tone. They will gently press on the abdomen to assess for any softness or a jelly-like feeling, which can indicate muscle separation.
- Measurement: The width, depth, and length of the separation between the rectus abdominis muscles will be measured. This can be done using finger widths, with a gap of two or more finger widths indicating diastasis recti. Additionally, measuring tools such as ultrasound, measuring tape, or calipers may be used for a more precise assessment.
- Self-Test: Individuals can also perform a simple self-test at home to check for abdominal separation. This involves lying on the back with bent knees and feet flat on the floor. While lifting the upper body slightly, similar to a crunch, use two fingers to gently press down on the stomach just above, at, and below the belly button. If you feel more than two fingers-width of space between the abdominal muscles, it may indicate diastasis recti.
- Severity Assessment: The severity of diastasis recti is determined by the length and width of the gap and the strength of the surrounding abdominal muscles. A gap wider than 2 centimeters is considered a significant separation.
- Referral: Based on the diagnosis, the healthcare provider may refer individuals to a physical therapist or a pelvic floor specialist to develop a care routine and strengthen the abdominal muscles.
It is important to consult with a healthcare professional for an accurate diagnosis and appropriate treatment plan. While some self-tests can be performed, seeking professional advice ensures a comprehensive understanding of the condition and its management.
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Treatment options
Abdominal muscle separation, also known as diastasis recti, is a condition that occurs when the rectus abdominis muscles (also known as "six-pack abs") separate, creating a gap between them. This condition is commonly seen in pregnant women due to the growing uterus and can also occur in men due to yo-yo dieting, incorrect weight lifting, or other reasons. Treatment options for abdominal muscle separation include:
Physiotherapy and Exercise
The first line of treatment for abdominal muscle separation is typically physiotherapy, which includes exercises designed to engage and strengthen the abdominal, core, and pelvic floor muscles. These exercises can help bring the separated muscles back together and improve symptoms, even if the rectus diastasis persists. Some suggested exercises include pelvic tilts, leg stretches, and bridges, deep breathing, and abdominal draw-in maneuvers. It is important to work with a qualified physical therapist who has experience with diastasis recti to ensure the correct movements are performed and to avoid certain exercises that can worsen the condition, such as crunches, sit-ups, and heavy lifting.
Postural Improvements and Supportive Garments
In addition to specific exercises, improving posture and wearing supportive garments can also help manage abdominal muscle separation. Maintaining a straight back with shoulders back and practicing deep breathing can reduce strain on the abdominal muscles. Additionally, wearing an elastic belly band can provide support to the abdomen and lower back.
Surgery
In more severe cases that do not respond adequately to conservative management, surgery may be considered. A procedure known as a tummy tuck or abdominoplasty can be performed to stitch the separated abdominal muscles back together, resulting in a flatter abdomen and reduced bulging. However, surgery should only be considered after exploring non-surgical options as it carries its own risks and may not be suitable for everyone.
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Prevention
Abdominal muscle separation, also known as diastasis recti, rectus abdominis diastasis, or RAD, is a condition that occurs when the abdominal muscles separate, causing the abdomen to stick out or bulge. This condition commonly arises during pregnancy due to the growing uterus and abdomen, which put strain on the muscles, along with hormonal changes that soften the ligaments and abdominal muscles.
Maintain a Healthy Weight Gain During Pregnancy
It is important to monitor your weight gain during pregnancy. Excessive weight gain can increase the risk of abdominal muscle separation. Consult with your healthcare provider to determine the healthy weight range for your pregnancy and seek guidance on nutrition and exercise to stay within that range.
Practice Good Posture and Deep Breathing
Good posture involves standing up straight with your shoulders back. Deep breathing exercises allow your ribs to expand instead of only your belly. This helps to strengthen your core and reduce the strain on your abdominal muscles.
Perform Safe Core Exercises
Engage in safe core exercises that do not put excessive pressure on your abdominal muscles. Pelvic tilts, leg stretches, and bridges are recommended. Avoid exercises like planks and sit-ups, especially during pregnancy and recovery, as they can strain the abdominal muscles and worsen muscle separation.
Avoid Heavy Lifting and Straining Activities
Heavy lifting and activities that involve twisting or bearing down can put excessive strain on your abdominal muscles. Avoid such activities, especially during pregnancy and while recovering from muscle separation.
Consult a Healthcare Professional
If you are concerned about developing abdominal muscle separation, speak to your healthcare provider. They can advise you on specific exercises, posture techniques, and lifestyle changes to prevent this condition. Additionally, they can refer you to a physical therapist or pelvic floor specialist who can guide you through safe and effective exercises.
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Frequently asked questions
Abdominal muscle separation, also known as diastasis recti, rectus abdominis diastasis, or RAD, is a condition where the abdominal muscles separate by an abnormal distance, causing the abdomen to bulge.
The most common cause of abdominal muscle separation is pregnancy, due to the growing uterus and abdomen putting strain on the muscles. It can also be caused by yo-yo dieting, incorrect weight lifting, and sit-ups.
Signs of abdominal muscle separation include a gap or bulge appearing between the two bands of separated muscle down the middle of the stomach, lower back pain, constipation, urinary incontinence, frequent bloating, and changes in posture.
Treatment for abdominal muscle separation typically involves exercises designed to engage the abdominal, core, and pelvic floor muscles, as well as deep muscle exercises. Other treatments include practicing good posture, wearing supportive garments, and avoiding heavy lifting or strain on the abdominal muscles. In some cases, surgery may be recommended.
Abdominal muscle separation during pregnancy can be prevented by maintaining a healthy weight gain, practicing good posture and deep breathing, and performing safe core exercises.










































