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by Barbara Yakimchuk

The Unexpected Body Part Getting Blamed For Your Sticking-Out Stomach

Photo: Pablo Merchán Montes

The moment you open TikTok or Instagram, you are greeted by a fresh batch of life-changing theories. "I lost 10 kg because of this.""This one habit made me a millionaire."

We all know the format. Social media loves a magic solution and, if we are honest, we love clicking on them too. Even more so when those solutions are connected to our appearance and body shape.

One theory that has been popping up on my feed quite a lot lately is anterior pelvic tilt — the idea that simply changing the position of your pelvis can make your stomach look noticeably flatter.

And, admittedly, it sounds appealing.

So, is there actually any truth to it? Can a few simple stretches really make your stomach stick out less? Who is likely to benefit from correcting anterior pelvic tilt, and who probably won't notice much difference at all?

Let's get into it.

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Photo: Margaret Young

What is anterior pelvic tilt, and how common is the problem?

Before diving into the details, let's cover the basics — the vocabulary part.

Anterior pelvic tilt (also known as “lower crossed syndrome) is a postural position where the pelvis rotates forward, increasing the arch in the lower back and often making the stomach and buttocks appear more prominent.

How common is it? The numbers might surprise you. Some studies suggest that around 85% of men and 75% of women have some degree of anterior pelvic tilt, with most of them having absolutely no idea.

The reason isn't hard to guess. One of the most commonly cited factors is our sedentary lifestyle. For many people, around half of their waking hours are spent sitting — and no, that isn't a number I pulled out of thin air, but one backed by research. Specialists also point to muscle imbalances, where the hip flexors become tight while the glutes and abdominal muscles are comparatively weaker. And then there is anatomy: some people are simply built differently.

So, again, what does Instagram actually promise?

If you have spent any time on fitness TikTok or Instagram recently, you have probably come across the theory already. According to countless videos, a protruding stomach is not necessarily caused by body fat, bloating, or genetics — it is your pelvis. Fix the tilt, the theory goes, and your stomach will instantly look flatter.

So is it true? The short answer is yes.

Here is a small biology lesson. The pelvis isn't just a bone — it is a container. When it tilts forward, everything inside it — organs, intestines, muscles — physically shifts forward and down. The belly protrudes not because there is more fat, but because there is simply nowhere else for everything to go.

Within this chain, there are two main players.

The first is the hip flexors — specifically the iliacus and psoas, which can pull the pelvis forward with enough force to increase its tilt in a standing position. There is even research to back this up: after a single hip flexor stretching session, the pelvic tilt angle decreased by an average of 1,2 degrees. The second player is the core. When the abdominal muscles aren't strong enough to stabilize the pelvis, the pull of the hip flexors goes unopposed — and the tilt gets worse.

This is exactly what the big voices in the space have been saying. Jeff Cavaliere of ATHLEAN-X, a physical therapist with a master's degree in physical therapy, argues that a forward pelvic tilt can make the stomach appear more prominent while stretched abdominal muscles become less effective at supporting the pelvis. Dr. Stuart McGill, one of the leading spine biomechanics researchers, draws the same conclusion from a clinical angle.

The part Instagram skips

This article could end here. We have explained what anterior pelvic tilt is, confirmed that it exists. But there are still a couple of questions that do not fit quite so neatly into the theory.

First — if anterior pelvic tilt is really the reason so many people have a protruding stomach, why do so many people with anterior pelvic tilt still have perfectly flat stomachs?

And second — if the connection is as obvious as social media suggests, why have we only started talking about it recently? After all, anterior pelvic tilt is hardly a new discovery.

As it turns out, the answer is a little more complicated than a 30-second TikTok video might suggest. So, what did social media miss?

  • APT and body fat aren't the same thing

Let's start with the most obvious point — and probably the one social media is least excited to discuss. If you are busy trying to fix your anterior pelvic tilt, don't forget to also look at your gym routine and what is on your plate. Because in many cases, the stomach people are trying to "fix" is not only about pelvic position. Sometimes it is also simply body fat.

  • Human bodies rarely operate according to one explanation

Remember those slightly alarming statistics from earlier? Around 80% of people have some degree of anterior pelvic tilt. If that number sounds high, that is because it is.

But there is another detail worth mentioning. Not everyone with anterior pelvic tilt is considered abnormal. Some degree of forward pelvic tilt is completely normal and can be found in healthy people with no symptoms whatsoever.

It is not necessarily a malfunction. Sometimes it is simply anatomy doing what anatomy does.

  • Stretching without the core is unlikely to get you very far

Many viral "fix your anterior pelvic tilt" routines focus heavily on stretching tight hip flexors. The problem is that stretching alone often produces only a temporary effect. Without proper stabilisation, the pelvis tends to return to its familiar position as soon as you stand up and go about your day.

Part of the reason is that pelvic position is influenced by more than just the visible muscles we all know — the abs, glutes and hip flexors. When these muscles are weak or poorly coordinated, the lower back may become more arched and the pelvis may tilt forward regardless of how strong the more visible muscles appear to be. In other words, stretching may help, but without a stable core underneath, it is unlikely to do all the work on its own.

And no, anterior pelvic tilt isn't a completely new story. The reason we have been hearing so much about it lately is that it has been pulled out of a much bigger picture and pushed to the forefront. It matters, but only as part of a wider context.

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Photo: Getty Images

How do you know if you have anterior pelvic tilt?

The tricky part is that even pronounced anterior pelvic tilt is often completely painless. That said, there is a simple at-home test that can give you a rough idea.

  1. Stand sideways in front of a mirror in a relaxed position (and by relaxed, I mean actually relaxed — not sucking in your stomach or straightening up)
  2. Locate two bonе landmarks: the hip bones at the front of your pelvis (known as the ASIS) and the bony points at the back (the PSIS).

If the front points sit noticeably lower than the back ones, it may suggest a more pronounced anterior pelvic tilt. If they are roughly level, your pelvis is likely closer to a neutral position. Of course, this is not a medical diagnosis But it is a good start.

What exercises can help correct anterior pelvic tilt?

Okay, we have covered quite a lot. And this is usually the point where wellness articles become slightly overwhelming. The more details, muscles and anatomical terms we introduce, the easier it becomes to feel like you're doing everything wrong.

The good news? You probably don't need a perfectly optimised corrective programme to get started.

If there is one important takeaway from this article, it is that anterior pelvic tilt is not just about stretching. It is about improving the way your body stabilises and moves as a whole.

A good place to begin is understanding how your diaphragm, pelvic floor and deep core work together during breathing. This short exercise explains that connection and creates a solid foundation before moving on to more targeted work:

Once you are comfortable with that, you can move on to exercises that involve the entire body rather than focusing exclusively on stretching the hip flexors. These routines place a stronger emphasis on core engagement, stability and movement patterns:

Short on time? This is a quicker alternative:

And one final reminder: if your stomach does not magically disappear after two weeks, it doesn't necessarily mean the exercises are failing. Give it at least a month, stay consistent, and don't forget to look beyond your pelvis. What you eat still matters too.