What is rectus diastasis?
Rectus diastasis is a common condition in which the straight abdominal muscles drift apart. It frequently occurs after pregnancy but can also have other causes, such as excess weight or abdominal surgery. The symptoms can include visible changes as well as a range of physical complaints. An accurate diagnosis together with appropriate treatment methods is essential for recovery and well-being.
Definition and anatomy
Rectus diastasis describes the separation of the abdominal muscles, in particular the rectus abdominis muscle, which normally lie closely side by side. The linea alba, a connective-tissue structure, runs between these muscles and becomes wider in rectus diastasis. The normal width of the linea alba is approximately one to two centimetres. When this distance increases, visible bulging can appear in the abdominal area.
Frequency and risk factors
Rectus diastasis is a common phenomenon, particularly in women after pregnancy. Studies show that up to 60% of women can be affected by this condition during or after pregnancy. However, there are also other risk factors that can contribute to the development of rectus diastasis, such as:
- Excess weight
- Abdominal surgery
- Congenital factors
Causes and triggers
The causes of rectus diastasis vary and are often multifactorial. The most common triggers include:
Pregnancy
During pregnancy the abdomen expands considerably, which leads to increased pressure on the abdominal muscles. This excessive stretching can cause the muscles to move apart from one another. Women who are pregnant with twins or multiples are at particular risk. In addition, unfavourable weight gain during pregnancy can increase the risk.
Excess weight
A higher body weight places additional pressure on the abdominal wall, which can promote the separation of the muscles. Consequently, it is important to maintain a healthy body weight in order to help prevent rectus diastasis.
Abdominal surgery
Surgical procedures in the abdominal area that weaken the musculature or alter the anatomy can also lead to rectus diastasis. After such operations the abdomen is often more susceptible to changes, particularly when the abdominal wall is placed under strain.
Congenital factors
In rare cases rectus diastasis can also be congenital. This involves a structural predisposition that is present from birth. However, this form of rectus diastasis is uncommon and is rather the exception.
Symptoms of rectus diastasis
The symptoms of rectus diastasis can vary and may manifest through both visible and physical signs. These symptoms frequently affect the physical well-being and quality of life of those affected.
Visible signs
A characteristic feature of rectus diastasis is a visible bulge in the middle of the abdomen. This bulge appears above all when pressure is exerted on the abdominal cavity, for example when coughing or lifting heavy objects. The bulge results from the separation of the straight abdominal muscles and is often visible due to the wider linea alba between the muscle bands.
Physical complaints
- Pain in the abdominal area
- Pain in the pelvic area
- Pain in the hips
These symptoms are frequently associated with functional limitations that can affect the daily life of those affected.
Back pain
Back pain is a frequently occurring symptom and is often the result of insufficient stability of the abdominal musculature. In rectus diastasis the strength of the abdominal muscles is weakened, which leads to an increased load on the back musculature. This can give rise to both acute and chronic pain that restricts mobility and impairs general well-being.
Postural problems
Another symptom is postural problems. A weak abdominal musculature can lead to poor posture, which over the long term results in muscular imbalances and faulty postures. These postural problems can not only affect appearance but also lead to further health issues.
Treatment options
Treatment of rectus diastasis is guided by the severity of the condition as well as the individual symptoms. There are both conservative and surgical options that can help to relieve the complaints and restore the functional capacity of the abdominal musculature.
Conservative methods
Physiotherapy
Physiotherapy is a well-established method for treating rectus diastasis. Specially adapted exercises are carried out in order to strengthen the abdominal musculature. A physiotherapist can help to create individual programmes that are tailored to the needs of those affected. The therapy aims to activate the deep abdominal muscles, increase the stability of the abdominal wall and support the regression of the diastasis.
Weight management
For patients with excess weight, controlling body weight is of central importance. Weight reduction can decrease the pressure on the abdominal musculature and prevent the progression of rectus diastasis. Alongside nutrition, regular physical activity plays a decisive role in maintaining a healthy weight.
Surgical measures
Indications for surgery
The need for surgery frequently arises from a significant impairment of quality of life and of the body’s functionality. Indications for a surgical procedure include, among others:
- Severe pain in the abdominal or back area
- Limitations in daily life and in physical activity
- Visible deformities that are perceived as bothersome
Rectus diastasis and quality of life
The effects of rectus diastasis on quality of life are evident in both physical well-being and aesthetic aspects. It is important to consider both of these areas in order to develop a comprehensive understanding of the challenges associated with this condition.
Physical well-being
The physical complaints associated with rectus diastasis can considerably impair general well-being. Many of those affected report a variety of symptoms that are not only uncomfortable but can also restrict the ability to carry out everyday activities.
Aesthetic aspects
The aesthetic changes associated with rectus diastasis also play a decisive role in the self-image of those affected. Many women, as well as men, perceive a visible abdominal separation as bothersome, which can lead to reduced self-esteem. These changes can manifest in various areas:
- Deterioration of body image: an unsatisfactory abdominal shape can affect self-confidence.
- Emotional burden: uncertainties regarding one’s own appearance can lead to stress and frustration.
- Influence on social interactions: some of those affected avoid showing themselves in certain situations, which can lead to withdrawal from social activities.
Exercises to support healing
These exercises are essential for rehabilitation and strengthen the abdominal musculature in a lasting way. They not only promote healing but also contribute to overall fitness and physical well-being.
Breathing techniques
Breathing techniques play a central role in strengthening the deep musculature. Through targeted breathing exercises, the abdominal musculature can be activated and the core strengthened.
Exhaling and the abdominal muscles
A simple but effective exercise consists of consciously contracting the abdominal muscles while exhaling. This method improves awareness of one’s own musculature and promotes stability of the trunk. It is performed in several steps:
- Sit or lie down comfortably.
- Breathe in deeply and, while exhaling, gently draw the abdomen inwards.
- Hold this position for a few seconds while continuing to breathe calmly.
- Repeat until a noticeable activation of the musculature is achieved.
Specific exercise programmes
Targeted exercise programmes are indispensable for rehabilitating rectus diastasis and promoting general well-being. Listed here are various forms of exercise that have proven to be particularly helpful.
Postnatal recovery exercises
Postnatal recovery exercises are specifically geared to the needs following pregnancy. These exercises help to gently activate the abdominal muscles and increase body tension. They should be performed in a calm setting in order to promote relaxation and concentration.
- Slow movements promote regression and stability.
- Focus on slow, controlled breaths during the exercises.
Strengthening the straight abdominal muscles
Targeted training of the straight abdominal muscles can be carried out through various exercises. This strengthening has a positive effect on posture and can help prevent pain in the back area. Important exercises include:
- Plank exercises to stabilise the trunk.
- Modified crunches that engage the musculature gently.
- Lying leg raises, which activate the lower abdominal muscles.
Exercises suitable for everyday life
Everyday-friendly exercises can be easily integrated into the daily routine. These short, effective sessions require no special equipment and can be carried out at any time:
- Household activities combined with targeted pelvic floor engagement.
- Climbing stairs as a simple way to promote the musculature.
- Stretching exercises that increase the body’s flexibility and relieve tension.
FAQs on rectus diastasis
Can rectus diastasis be completely healed?
Complete healing of rectus diastasis is possible in many cases, particularly through targeted physiotherapeutic measures and specific exercises. However, the healing process depends greatly on the severity of the diastasis and on the individual factors of those affected. In milder cases, rectus diastasis can regress after pregnancy or through targeted muscle strengthening.
The duration of healing varies depending on the individual and the treatment approach. When conservative methods are used, it can take several weeks to months before a noticeable improvement occurs. With surgical procedures, the healing time depends on the individual recovery process; however, many patients show positive changes after just a few weeks.
Can I do sport despite having rectus diastasis?
Taking part in sporting activities is possible but should be done with consideration of the individual symptoms and the condition of the abdominal muscles. It is advisable to begin with gentle exercises that do not place additional strain on the abdominal wall. Intensive exercises should be avoided until the condition is stable and, where appropriate, after consulting a physiotherapist.
If you are experiencing the symptoms of rectus diastasis, speak with a specialist about your individual treatment options and seek comprehensive advice in order to improve your quality of life.
Medically reviewed and written by:
Alejandro Martí – Specialist in Plastic and Aesthetic Surgery (DE & ES)
Last reviewed: April 2026
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