Why are people on TikTok talking about going for a ‘fart walk’? A gastroenterologist weighs in

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“Fart walks” have become a cultural phenomenon, after a woman named Mairlyn Smith posted online a now-viral video about how she and her husband go on walks about 60 minutes after dinner and release their gas.

Smith, known on TikTok as @mairlynthequeenoffibre and @mairlynsmith on Instagram, has since appeared on myriad TV and press interviews extolling the benefits of a fart walk. Countless TikTok and Instagram users and have now shared their own experiences of feeling better after taking up the #fartwalk habit.

So what’s the evidence behind the fart walk? And what’s the best way to do it?

CandyBox Images/Shutterstock

Exercise can help get the gas out

We know exercise can help relieve bloating by getting gas moving and out of our bodies.

Researchers from Barcelona, Spain in 2006 asked eight patients complaining of bloating, seven of whom had irritable bowel syndrome, to avoid “gassy” foods such as beans for two days and to fast for eight hours before their study.

Each patient was asked to sit in an armchair, in order to avoid any effects of body position on the movement of gas. Gas was pumped directly into their small bowel via a thin plastic tube that went down their mouth, and the gas expelled from the body was collected into a bag via a tube placed in the rectum. This way, the researchers could determine how much gas was retained in the gut.

The patients were then asked to pedal on a modified exercise bike while remaining seated in their armchairs.

The researchers found that much less gas was retained in the patients’ gut when they exercised. They determined exercise probably helped the movement and release of intestinal gas.

Walking may have another bonus; it may trigger a nerve reflex that helps propel foods and gas contents through the gut.

Walking can also increase internal abdominal pressure as you use your abdominal muscles to stay upright and balance as you walk. This pressure on the colon helps to push intestinal gas out.

Proper fart walk technique

One study from Iran studied the effects of walking in 94 individuals with bloating.

They asked participants to carry out ten to 15 minutes of slow walking (about 1,000 steps) after eating lunch and dinner. They filled out gut symptom questionnaires before starting the program and again at the end of the four week program.

The researchers found walking after meals resulted in improvements to gut symptoms such as belching, farting, bloating and abdominal discomfort.

Now for the crucial part: in the Iranian study, there was a particular way in which participants were advised to walk. They were asked to clasp hands together behind their back and to flex their neck forward.

The clasped hands posture leads to more internal abdominal pressure and therefore more gentle squeezing out of gas from the colon. The flexed neck posture decreases the swallowing of air during walking.

This therefore is the proper fart walk technique, based on science.

A woman walks with her hands clasped behind her back
Could walking with your hands behind your back yield better or more farts? candy candy/Shutterstock

What about constipation?

A fart walk can help with constipation.

One study involved middle aged inactive patients with chronic constipation, who did a 12 week program of brisk walking at least 30 minutes a day – combined with 11 minutes of strength and flexibility exercises.

This program, the researchers found, improved constipation symptoms through reduced straining, less hard stools and more complete evacuation.

It also appears that the more you walk the better the benefits for gut symptoms.

In patients with irritable bowel syndrome, one study increasing the daily step count to 9,500 steps from 4,000 steps led to a 50% reduction in the severity of their symptoms.

And just 30 minutes of a fart walk has been shown to improve blood sugar levels after eating.

Two people go for a walk.
Walking after eating can help keep your blood sugar levels under control. IndianFaces/Shutterstock

What if I can’t get outside the house?

If getting outside the house after dinner is impossible, could you try walking slowly on a treadmill or around the house for 1,000 steps?

If not, perhaps you could borrow an idea from the Barcelona research: sit back in an armchair and pedal using a modified exercise bike. Any type of exercise is better than none.

Whatever you do, don’t be a couch potato! Research has found more leisure screen time is linked to a greater risk of developing gut diseases.

We also know physical inactivity during leisure time and eating irregular meals are linked to a higher risk of abdominal pain, bloating and altered bowel motions.

Try the fart walk today

It may not be for everyone but this simple physical activity does have good evidence behind it. A fart walk can improve common symptoms such as bloating, abdominal discomfort and constipation.

It can even help lower blood sugar levels after eating.

Will you be trying a fart walk today?

Vincent Ho, Associate Professor and clinical academic gastroenterologist, Western Sydney University

This article is republished from The Conversation under a Creative Commons license. Read the original article.

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    What’s the difference? is a new editorial product that explains the similarities and differences between commonly confused health and medical terms, and why they matter.


    Former US First Lady Michelle Obama revealed in her memoir she had a miscarriage. UK singer-songwriter and actor Lily Allen has gone on the record about her stillbirth.

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    christinarosepix/Shutterstock

    Let’s start with some definitions

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    Studies from Europe and North America suggest a miscarriage occurs in about one in seven pregnancies (15%). More than one in eight women (13%) will have a miscarriage at some time in her life.

    Around 1–2% of women have recurrent miscarriages. In Australia this is when someone has three or more miscarriages with no pregnancy in between.

    Australia has one of the lowest rates of stillbirth in the world. The rate has been relatively steady over the past 20 years at 0.7% or around seven per 1,000 pregnancies.

    Who’s at risk?

    Someone who has already had a miscarriage or stillbirth has an increased risk of that outcome again in a subsequent pregnancy.

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    Pregnant woman sitting on lap of man, man's arms around woman's belly
    An older dad can be a risk factor for stillbirth, but not miscarriage. Elizaveta Galitckaia/Shutterstock

    Similarly for maternal bodyweight, women with a body mass index or BMI in the normal range have the lowest risk of miscarriage and stillbirth compared with those in the obese or underweight categories.

    Lifestyle factors such as smoking and heavy alcohol drinking while pregnant are also risk factors for both miscarriage and stillbirth.

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    Why do they happen?

    Miscarriage often results from chromosomal problems in the developing fetus. However, genetic conditions or birth defects account for only 7-14% of stillbirths.

    Instead, stillbirths often relate directly to pregnancy complications, such as a prolonged pregnancy or problems with the umbilical cord.

    Maternal health at the time of pregnancy is another contributing factor in the risk of both miscarriage and stillbirths.

    Chronic diseases, such as high blood pressure, diabetes, hypothyroidism (underactive thyroid), polycystic ovary syndrome, problems with the immune system (such as an autoimmune disorder), and some bacterial and viral infections are among factors that can increase the risk of miscarriage.

    Similarly mothers with diabetes, high blood pressure, and untreated infections, such as malaria or syphilis, face an increased risk of stillbirth.

    In many cases, however, the specific cause of pregnancy loss is not known.

    How about the long-term health risks?

    Miscarriage and stillbirth can be early indicators of health issues later in life.

    For instance, women who have had recurrent miscarriages or recurrent stillbirths are at higher risk of cardiovascular disease (such as heart disease or stroke).

    Our research has also looked at the increased risk of stroke. Compared with women who had never miscarried, we found women with a history of three or more miscarriages had a 35% higher risk of non-fatal stroke and 82% higher risk of fatal stroke.

    Women who had a stillbirth had a 31% higher risk of a non-fatal stroke, and those who had had two or more stillbirths were at a 26% higher risk of a fatal stroke.

    We saw similar patterns in chronic obstructive pulmonary disease or COPD, a progressive lung disease with respiratory symptoms such as breathlessness and coughing.

    Our data showed women with a history of recurrent miscarriages or stillbirths were at a 36% or 67% higher risk of COPD, respectively, even after accounting for a history of asthma.

    Woman of Asian heritage sitting in living room coughing, hand to mouth
    Long-term health risks of recurrent miscarriages or stillbirths include developing lung disease later in life. PRPicturesProduction/Shutterstock

    Why is all this important?

    Being well-informed about the similarities and differences between these two traumatic life events may help explain what has happened to you or a loved one.

    Where risk factors can be modified, such as smoking and obesity, this information can be empowering for individuals who wish to reduce their risk of miscarriage and stillbirth and make lifestyle changes before they become pregnant.


    More information and support about miscarriage and stillbirth is available from SANDS and Pink Elephants.

    Gita Mishra, Professor of Life Course Epidemiology, Faculty of Medicine, The University of Queensland; Chen Liang, PhD student, reproductive history and non-communicable diseases in women, The University of Queensland, and Jenny Doust, Clinical Professorial Research Fellow, School of Public Health, The University of Queensland

    This article is republished from The Conversation under a Creative Commons license. Read the original article.

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