How Forward Head Posture Constricts Your Airway And Reshapes Your Smile

How Does Posture Affect Breathing And Oral Health?

Your neck might be doing your breathing’s dirty work. We break down how a forward head, a tight jaw, and a tired tongue quietly reshape your airway, your bite, and your energy. This isn’t about sitting up straight for style points; it’s about how the body chases airflow through a maze of compensations and why relief starts by making breathing easy again.

We start with the simple but overlooked mechanics: when the airway narrows, turbulence rises and pharyngeal mechanoreceptors tell the brain to reposition the head. That’s the root of the familiar forward head posture, which increases cervical load and strains overworked neck muscles. We explain why “standing tall” can feel suffocating when the airway is small, how CBCT imaging reveals a “kinked hose,” and why chronic massages or adjustments that never last are red flags for an upstream breathing problem.

From there, we focus on the tongue as the body’s built-in airway dilator. Poor tongue posture, a narrow palate, or a retruded jaw can spark a cascade: snoring, clenching, neck pain, and even changes in shoulder height and spinal curves. We reference glossopostural syndrome, discuss loss of cervical lordosis and C1–C2 torsion, and show how posture apps and studio photos make whole-body compensations visible. The throughline is clear: when breathing is inefficient, the musculoskeletal system pays the price.

Hope is the headline. With an integrated plan—myofunctional therapy to strengthen the tongue and infrahyoid chain, targeted physical therapy to restore curves, dental strategies to expand constricted arches, and simple nasal hygiene—breathing gets easier and posture self-corrects. Small, science-based changes add up to quieter nights, fewer headaches, and steadier energy. Subscribe, share with a friend who’s always rubbing their neck, and leave a review telling us the one posture habit you’re changing today.

To learn more about Dr. Mark A. Cruz, DDS. visit:
https://www.MarkACruzdds.com
Dr. Mark A. Cruz, DDS. 
32241 Crown Valley Pkwy #200  
Dana Point, CA 92629  
949-661-1006 

Transcript

Welcome And Airway Focus

SPEAKER_00 0:03

Welcome to Airway Focused Dentistry with Dr. Mark A. Cruz, the show where better breathing leads to better living. If your nights sound like a lawnmower chorus or your energy stuck on low battery, you're in the right place. Hosted by Dr. Mark A. Cruz, we explore how the airway impacts your sleep, your health, and your smile. So you can breathe, sleep, and be well. Take a deep breath, and let's get started.

Posture’s Hidden Role In Breathing

SPEAKER_03 0:32

Your posture might be shaping more than your spine. It could be shaping your airway and your smile. Welcome everyone. I'm Julie Schwenzer, co-host and producer in the studio with Dr. Mark A. Cruz. Dr. Cruz, it's a pleasure to be back with you.

SPEAKER_02 0:47

Thank you. The pleasure is mine.

SPEAKER_03 0:49

So, Dr. Cruz, this one is going to hit home for many people. How does posture, and I can imagine many listeners sitting up straight right now, how does it affect breathing and oral health?

SPEAKER_02 1:01

Yeah, it it definitely has an effect in breathing. So I'll just give you a simple example that's been well documented. The head tilt, forward head tilt. You're not really going to see it unless you're looking for it and understand.

Forward Head Tilt And Load

SPEAKER_02 1:22

And so when a patient comes in and we do an examination, you know, we're taking our, you know, our typical clinical series of photography, but we also do studio photography looking at the full body straight on and profile. And what we see in profile oftentimes, patients will have their head in a forward position. So the way the head should sit on the thorax is the uh earlow should be about mid-shoulder. And for every inch it goes forward, also documented, the mechanical load on the cervical spine uh increases um exponentially. So over time, you'll see an elderly person, they're walking like this, they're walking like that. That did not just happen as a result of age. You'll see that that is uh uh what we call a compensation, a uh musculoskeletal compensation. So when we see that, let's say in a kid, a young kid, or even you know, a teenager, middle-aged individual, we document that. And oftentimes those individuals will complain of neck symptoms, maybe headaches that are related to those muscles that are trying to prop that nine to ten, eight to ten pound bowling ball, the head that sits over the thorax. But what happens is that's dictated by what are called the pharyngeomechanoreceptors. They're nerve endings that populate the back of the throat, the tonsillar pillars, the uvula, the soft palate that are very sensitive to the patency of the air, the openness, the turbulence. And that turbulence through what is called mechano sensing sends an impulse to the brainstem to tell the brain where to position the head. So, for example, um, if you have underdevelopment

Airway Turbulence Drives Head Position

SPEAKER_02 3:36

of a facial skeleton, retreated profile, a lot of the other things that we look at, narrow palate, um, you're struggling to breathe, although you may be unaware of it. But what happens is that that individual, if you look at 3D radiography, like through a CBCT, a cone beam commuter tomography uh uh X-ray series, you'll see a relatively small area, but more importantly, a kink in the hose, if you will. So, what happens is if you were to go ahead and send your head off to cotilion to learn about posture to balance that apple on a book the way we're supposed to be proper, you'll fall find that the head is, you know, repositioned, but now that fleshy tube that we breathe through gets compressed. And when it's small, it's even smaller and there's more turbulence. Excuse me, and that can create some anxiety. You don't know where it's coming from because you're having problems breathing. So, what people will do is they will just basically slouch over as a result of breathing functions, not even on the radar screen of

Small Airways And “Kinked Hose” Model

SPEAKER_02 4:47

the physical therapist or the chiropractor, right? You're not going to correct that. They may look at the cervical spine, C1 and C2, you may see axis is rotated. Um, um, you have um uh um uh all kinds of terms to describe uh these skeletal uh issues that are as a result of that forward head posture. Now, it doesn't help that we have our devices that are always looking down. So that's added to it. So there are many, many factors that conspire to cause these problems, but the underlying problem, more often than not, is that that um people are are really trying to breathe. And so we want to correct that. And we know that when we do correct that, the head almost always goes back into a better position, although typically does require some physical therapy to repattern that. And part of it is because the neck muscles back here are very strong because they're compensating and there's a lot of weakness in the infrahyoid uh muscles. These are myofunctional neck muscles that just haven't been working for a long time to kind of hold that position. So going to, you know, I'm I have a whole team that looks at this. So when I'm looking at my patients, I'm not just looking at the teeth and the palatal width and all that, I'm looking at whole axial skeleton because there are compensations. And in fact, there was a classic study that was written by an Italian uh physical therapist um that his name is Bobby

Compensation, Devices, And Chronic Symptoms

SPEAKER_02 6:27

O Scopa. And he wrote a seminal paper many years ago called Glossopostural Syndrome. And he basically showed how that posture actually affects how the organs even sit in the abdomen and uh and how an individual will um go ahead and uh um stand, if you will, in an environment of gravity, these compensations that result in problems. So think about it if you twist the knee or an ankle, you're gonna compensate with what we call a limp. But when that limp becomes chronic, it affects all the muscles and the bones attached to it. So now you start having more arthritic changes in the opposite knee or whatever the case may be. So we wanna decompensate the patient from what we are calling ascending and descending compensations. And so those are all important related to really how we breathe, but we don't think of it that way. That's mostly where it starts. We also know, oh gosh, we can get it too. We also know that coordination um can be affected. Um you can have conditions like one leg longer than the other that also add to it. So there are many factors that we look at. It's not usually just one, but we want to get the main factor and then build um competence, if you will, with the individual. So it does require looking at the body beyond just the symptom that the patient is presenting with, which may be a stiff neck that they get uh on a regular basis, massage at a massage therapist, or they go to a chiropractor for their regular um adjustment. So think about it. If you're going constantly on a regular basis to have a symptom treated, that's an alarm belt to start thinking differently.

SPEAKER_03 8:31

That's a great point. And doctor, could you expand on how poor posture influences things like tongue position, um, oral function, even biting?

Team Approach And Muscle Imbalances

SPEAKER_02 8:43

Yeah, it's it's it's actually the other way around. It's the tongue that uh that has this domino effect because just think of it this way is the tongue's main job, um, call it the genial glossis, is to dilate the airway. If anyone's taken CPR classes to get certified, we everyone knows the A B C of CPR. What does A stand for? Airway. So what do you do when you see someone that's unconscious? You need to make sure they're breathing. Anything else is secondary. So how do you get them to breathe? You should pull their jaw forward, you look and you open the airway. Well, that's a constant function moment to moment with anybody that's alive and functioning. So if that tongue is dropping back during sleep or um the airwaves constricted for whatever reason, there are many, uh, there'll be compensation. It's a head tail, it's one of them. So we use the software like posture screen. You could get it as an app on your phone, by the way. And it'll amaze you. You start taking pictures and you put yourself on this grid, and you could see how you're compensating. So we want to have, you know, uh the neck, shoulders, the hip, the knees, and the ankles lined up fairly within the long uh a line. And the reason for that is it allows for um very efficient and coordinated uh musculoskeletal function. When you're limping, you're taking care of a symptom, but it's inefficient, but you're

Glossopostural Syndrome Explained

SPEAKER_02 10:27

preventing uh more damage short term. So you can have a compensation like that that results eventually in a hip replacement, you know, knee surgery, and et cetera, et cetera. But it starts really uh with the tongue is a major factor. It's not to say that there aren't other things, sports injuries and things like that, but um we we have to really be thinking about the most basic function moment to moment is breathing in our tongue, dilates that. And once the tongue um has to compensate, there's a spiral, if you will, a downstream spiral that affects all the other muscles that have to compensate that affect our actual axioskeleton. So um I know it's complicated, but I hope that that gives some insight as to how that may affect the posture. And again, this is what Fabio Scope Scopa wrote about in a very science-based data-driven paper called Um Um Glossal Postural Syndrome. You could look at that up and it'll go through and explain how the tongue is um key. Glossal means tongue, posture is posture. So that's what that whole paper uh explains. And it has to do with you know, breathing moment to moment, if you will.

SPEAKER_03 11:51

And when we think of posture, we think of the spine. Can you also expand for us um on spinal alignment and how that does impact the mechanics of breathing in general?

SPEAKER_02 12:03

Yeah,

Tongue Function As Airway Dilator

SPEAKER_02 12:04

so when we're looking at the spine, you know, um, we look at that as part of our traditional workup, believe it or not. Um, when you're looking at an airway CDCT, so um we're supposed to have what's called a natural lordosis of the spine from C1 to C4, you have this natural curve that allows for the mechanical positioning of the head over the body, the thorax, the way it's supposed to be. When you have, for example, loss of lordosis, or you lose that curve, there's a compensation there. So without getting into all the different studies measuring, say, the distance from the spinous process in the spine, there are very specific measurements that you make when they're when they're off by whatever magnitude, you know that there's something going on. So in three dimensions of space, that's what we call the sagittal view. But when we're looking at an axial view, you could also see uh atlas, which is um a um kind of brown bone that sits on uh atlas, the C1C2. You can have a torsion in it, and that's a compensation that when you're looking at an individual's posture, you could almost guess that there's that torsion.

Assessing Alignment With Posture Tools

SPEAKER_02 13:28

That also is a compensation that needs to be corrected. And oftentimes are muscles that are pulling more on one side than the other. And you'll, when you start looking, look at the shoulders, and you'll see that you'll have like one shoulder's just dipped a little bit more, and you think that you're standing, you know, straight. But again, we're looking at full-body global compensations that are related to um, you know, breathing and and uh that benefits sleep. That's why we're really talking about this. Um, so it's very, very complicated. And this may really challenge, especially any providers listening to this, um, thinking about these connections, even though you learned it, because we were all trained in an allopathic system to really just look at one area and not integrate it. And that's why I take an integrated approach with I work with an entire team, uh, an interdisciplinary team to really look at the whole body situation. And so if you're look looking at just the C-spine, you only see that. If you're a cardiologist and you're just looking at the heart, you're not really looking at the way it's because it's not, it's, you know, you're you're paid to look at one siloed structure, and therein lies the problem of how we think and why we're getting sicker and sicker in this disease management siloed healthcare system. And so I know it's very complicated, and and to some, I may sound like I'm a kooker crazy. I'm very data-driven, and how I look at uh a whole body, it also can lead to a lot of misinformation of people who go out on Google or, you know,

Cervical Spine Curves And Torsion

SPEAKER_02 15:11

uh AI, and they, you know, they're they're not really, they don't have a full story, and it could be very convinced that it's about A or about B or about C, and they don't know these interrelationships. And you really need to know that there is an interrelationship, and you have to be aware of the unknown unknowns. Um, there are known unknowns, but as a healthcare provider, there's always a bit of uncertainty in everything that we do. And our job is to limit that uncertainty and work with the patient and coming up with the best diagnosis and treatment. We need to be cynical about um what we're gonna recommend to our patients. And so that's why I always like to have a team approach.

SPEAKER_03 15:58

And I I did want to ask you, is there hope then? Is it is it not ever too late to improve your posture and possibly improve your airway health?

SPEAKER_02 16:07

Oh, of course. Yeah, I mean, those are things, again, depending on how chronic, the magnitude of the problem, um, those things can be addressed. And think of it this way: the body wants to heal. And if you just give it a chance, if you understand how it works and listen to its signs, its symptoms, if you will, um, it wants to heal. It wants to thrive. And our job as providers is to understand that and get the obstacles out of the way so that it can heal. And typically, it heals very, very quickly. And so that's why, you know, supplementing, for instance, or just changing one lifestyle thing, you start feeling better. So maybe it doesn't take care of the full problem, but you start feeling better. Um, yes, can it be psychosomatic maybe? Um, but can you actually have an organic improvement, less inflammation by changing the way you eat or staying away from certain things? The body wants to heal. And so, yes, we that's what providers do is, you know, go beyond just managing with the symptom de jure that the patient presents with and um help them to heal. And again, I do definitely want to be science-based and data-driven. I don't want to just, you know, have some snake oil um solution, if you will. So complicated, but

Integrated Care Over Siloed Thinking

SPEAKER_02 17:39

um, to answer your question, yeah, depending on the magnitude uh that determines the prognosis. So um, yeah.

SPEAKER_03 17:48

Well, thank you so much, Dr. Cruz. Uh, you definitely enlightened us. It's interesting to know that how important posture is all around for us. That it's not just, you know, how we how we look and and feel. It goes beyond that. So thank you.

SPEAKER_02 18:03

Yeah, absolutely. It's much pleasure. Thank you.

SPEAKER_00 18:09

That's today's breath of fresh insight from airway focused dentistry with Dr. Mark A. Cruz. Remember, small changes in your airway can spark big changes in your life. Breathe, sleep, and be well. For more information, visit markacruzds.com or call 949-661-1006. If this helped you, share the episode and maybe give your pillow a quieter night. See you next time.