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20) The craniocervical mandibular postural system: a self-regulating closed-circuit system

In the previous chapters we concerned ourselves with observing the position of the body in space and in particular, with the craniocervical mandibular system. We have seen that this system is a self-regulating and closed-circuit one, thanks to a precise mechanism of feed-back arising from the vertical height of the teeth.

This is a closed-circuit mechanism (a system that regulates itself from within) in such a way that the human organism can provide a response to the stress arising from the force of gravity or from its absence (particularly in water).

For example, the body of an human which develops in water, which, as is well known, is not subject to the force of gravity, can develop a scoliosis as easily as the body of an human which develops on the earth, subject to the force of gravity. This indicates that gravity has no role in determining the development of such a deformity.

Conversely, as we have already stated previously, it is primarily muscular force acting on a foundation of boney asymmetry that generates musculoskeletal deformities.

I don’t know if such a mechanism came about as an anti-gravity response. Nevertheless, it can function also in its absence, as it is a system that regulates itself by means of internal muscular tension, based on dental support. If it weren’t so, the human being, in the absence of the force of gravity, would lose the principal mechanism by which he remains in an upright position.

Instead, thanks to the right musculoskeletal relationship, to adequate vertical dental dimension, and to his internal muscular tension, he is capable of regulating his own postural system. This system shows the extent to which the human organism is endowed with great plasticity and the ability to adapt to various situations in its environment.

We can therefore say that a correct and functional posture is characterized by the absence of asymmetrical muscular tension and abnormalities, and by good connections to the various segments of the body. Conversely, poor posture can trigger in the organism muscular compensatory measures that compress the nerves, blood vessels, and inner organs, and thus set off pathological symptoms.

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