1. Airway determines everything. Your body needs oxygen to function. If your posture or something else hinders your airway, the body reflexively compensates. This has to be the basis for all considerations of posture. Airway determines everything.
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2. Conventional explanations for bad posture have to do with extended slouching or sitting, or hunching over to look at screens. While these are not false, they miss the most important aspect of posture. Airway determines everything.pic.twitter.com/UyxLvHzJKs
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3. Let’s take a detour back in time before agriculture, baby food, pacifiers, or the invention of utensils. Humans tore tough food with teeth from a very young age, developing strong jaw muscles. As a child has more malleable bone structure, early chewing helped shape the jaw.
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- Today, most dentists or orthodontists adhere to an overbite model of occlusion. This means the ‘ideal’ way teeth rest is for the upper teeth to rest in front of the lower teeth. This is a modern conception, and pre-agricultural humans did not have this occlusion.
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- Instead, the high amount of tearing and chewing wore down the teeth until they became flat, so the upper and lower teeth would rest in perfect occlusion.pic.twitter.com/99gMsogVqM
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- The important thing to note is that perfect occlusion was the norm for hundreds of thousands of years. This is important because of the position of the lower jaw. The modern overbite causes the lower jaw to retract slightly, impinging the airway. Airway determines everything.
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4. The body compensates. To open the airway, the entire skull juts forward, instead of balancing upon the spine. You can test this by protruding or retracting your lower jaw and finding the balance point in each position. This causes neck strain, but that’s not the end of it.
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5. Now the body’s center of balance is off. Being upright is exerting, so the body tries to find the most balanced position. In order to compensate for added weight in front, the hips angle forward, bringing the legs in front. This is called slouching.
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6. The shoulders also compensate by coming forward from the natural resting position parallel with the back. This in turn restricts the airway by compressing the chest, which folds forward and down, compressing the lungs.pic.twitter.com/iKkyFJ2s8P
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- Airway determines everything. In order to open up the lungs, the shoulders rise up and breathing switches from ‘expansion’ to ‘up and down’.
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7. Almost every modern posture issue can be causally traced back to poor jaw alignment. - Lower back pain: disk pressure from posterior angling - Hip weakness: chronic posterior pelvic tilt - Knee weakness: legs in front of torso rather than underneath
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8. I mentioned pacifiers before. Please do not give your children pacifiers. Pacifiers teach an incorrect sucking mechanism which leads to malformed upper palette. Sucking should be from the throat, like making a ‘T’ sound; not from the lips.
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9. If you read this and recognize poorly formed jaw or malocclusion in yourself, please do not try and force your way into a ‘natural’ shape. Your jaw is fully formed and forcing it into a different position will only strain your jaw muscles and probably develop TMJ.
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- Instead, bring awareness to positions that exacerbate misalignment. For me, driving is a big one. (Head tends to jut forward.) Try to relax your throat and ooen your airway, while balancing your skull atop your spine. A 10 second exercise practiced daily will do wonders.
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