Where your tongue rests changes how your head sits on your spine. If you rest it low on the floor of your mouth or push it forward against your teeth, your head tends to drift forward. That drift adds load to the same muscles research has linked to jaw dysfunction and forward head posture.
Most doctors and practitioners never even look at the jaw when treating neck pain. And if you're lucky enough to find one who does, the tongue is usually still missed, which is why so many people cycle through treatment without lasting relief. That's the tongue posture and neck pain connection most treatment never assesses.
Short on time? Listen to the overview:
The tongue posture and neck pain connection nobody checks
If your neck pain keeps coming back no matter how thorough the treatment has been, this is usually the missing piece. Here's why it matters so much.
Your tongue attaches to several structures. Through the hyoid bone specifically, it connects into a chain of muscles that runs down into your neck. When your tongue rests correctly, against the roof of your mouth just behind your top front teeth, that chain isn't carrying extra strain from the front.
Two patterns disrupt that support. Low tongue posture rests the tongue on the floor of the mouth instead of the palate. Forward tongue posture pushes it against or between the front teeth instead of further back. Both feed ongoing tension through the hyoid, which sits directly alongside the muscles that stabilize the neck and support the jaw, so tension there doesn't stay contained. It's rarely part of the assessment, and it's rarely why the pain doesn't fully resolve.
That anatomical relationship is well documented. What follows next is research on the jaw and neck specifically. It doesn't measure the tongue directly, but given how connected these structures are, it's a reasonable place to look for evidence of how this pattern plays out.
The published research backs up the neck-jaw side of this shared system clearly. A systematic review looked at chronic neck pain and forward head posture. It found that sustained forward head posture is tied to shortened, overactive muscles at the front of the neck and jaw. At the same time, the deep neck flexors that should be doing the stabilizing work come up weak. This pattern is associated with temporomandibular disorder and tension headache, not just neck pain (Yang et al., 2023).
A separate case-control study compared to 84 people: half were diagnosed with jaw dysfunction, and half were not. The jaw dysfunction group had significantly reduced cervical joint position sense, meaning their neck was less accurate at sensing where it was in space, along with more jaw pain and a more limited jaw range of motion. Interestingly, head posture itself was not significantly different between the two groups in this particular study (Yüzbaşıoğlu et al., 2025).
It means the jaw-neck relationship isn't only about how forward your head sits. It's about how well the neck and jaw coordinate and sense each other, which is a deeper problem than posture alone, and one that doesn't always show up on the outside.
The tongue's role in that coordination is the piece I bring in clinically. It hasn't been isolated in published research the way the jaw-neck relationship has, so I want to be direct about that: what follows is what I've observed treating this pattern in my practice, not a citation.
When the tongue sits low or forward all day, every day, it's constant, low-level strain on a system that's already working to stabilize the head and neck. Add jaw tension on top of that, and the system is absorbing pressure from two directions instead of one, with less capacity left to compensate.
Why treatment plans miss it
Most neck pain treatment starts and ends at the neck. Physical therapy focuses on cervical mobility and strength. Even jaw-focused treatment, when it happens, usually stops at the joint and the chewing muscles. Almost nobody asks where your tongue rests when your mouth is closed, and you're not talking or eating, because it's not a joint anyone can X-ray, and it's not a muscle anyone can palpate the way they palpate your trapezius.
That's the gap. If you've already worked through the signs your neck pain is coming from your jaw, you've addressed one piece of this. The tongue is usually the piece left over. This is exactly why the tongue posture and neck pain connection gets missed in standard care.
I'm not saying tongue posture causes neck pain in general. I'm saying it's the piece that gets left out of the assessment and leaving it out is often why the same pain keeps coming back after treatment that should have worked.
Signs this might be part of your pattern
If more than one of these sounds familiar, the tongue posture and neck pain connection is worth having someone assess directly.
- Your neck pain improves with treatment, then comes back within weeks
- You catch yourself breathing through your mouth, especially when concentrating or sleeping
- Your jaw feels tight or tired even on days you haven't been stressed
- You've had jaw treatment that helped the jaw, but the neck pain stayed
- When you look at yourself from the side, in a mirror or a photo, your ear tends to sit noticeably in front of your shoulder instead of stacked above it.
None of these confirm anything on their own. But if more than one sounds familiar, it's worth having someone assess the full triangle- jaw, neck, and tongue- together instead of one at a time.
What you can do right now
Once you understand the tongue posture and neck pain connection, the next step is simple awareness. A few times a day, notice where your tongue is resting.
A few times a day, notice where your tongue is resting. If it's low in your mouth or pressed against your teeth, that's information, not a verdict. You're not trying to force a new habit overnight. You're building the same kind of body awareness that lets you notice when your shoulders creep up toward your ears.
If you're already working with a physical therapist, chiropractor, or dentist, ask them directly whether your tongue's resting posture has been assessed. If they haven't looked at it, ask whether it could be feeding into your neck pain pattern. That one question can redirect a treatment plan that's been stuck.
This is exactly the kind of shift people feel when they work with this connection directly and get feedback on whether they're doing it right. One participant wrote after attending The Signal workshop:
"I felt an immediate shift in the lowering of my shoulders and jaw tension with the techniques where you move your tongue and eyes in separate directions while making sure to keep your head neutral. I was so pleasantly surprised by how quickly I felt relief."
That's the difference between reading about a connection and actually feeling it change something in your body in real time.
If you want that experience for yourself, that's exactly what I built The Signal: Neck, Jaw & Tongue Connection workshop to do. It's a live session, capped at 15 people, where you get real-time feedback on whether you're actually finding the connection, not just watching a demonstration. You can find the current date and details at neck-jaw-tongue-workshop.
References
Yang, S., Boudier-Revéret, M., Yi, Y. G., Hong, K. Y., & Chang, M. C. (2023). Treatment of chronic neck pain in patients with forward head posture: A systematic narrative review. Healthcare, 11(19), 2604. https://doi.org/10.3390/healthcare11192604
Yüzbaşıoğlu, Ü., Kaynak, B. A., & Taş, S. (2025). Assessment of cervical joint position sense and head posture in individuals with myogenic temporomandibular dysfunctions and identifying related factors: A case-control study. Journal of Oral Rehabilitation, 52(2), 160-168. https://doi.org/10.1111/joor.13885
