One of the questions that I often get asked is: why doesn’t my doctor know about this? Most health-care practitioners are trained to treat one body part or condition at a time.
Doctors are trained to prescribe medication to hide or treat symptoms, while unfortunately sometimes ignoring the cause of the pain. Ophthamologists are interested in refraction disorders and in binocular vision disorders. Podiatrists are trained to cast the feet with pads that can go up to 2cm of thickness. Dentists work on the teeth and jaws without considering that the head is connected to a body, physical therapists palpate, stretch, pull on muscles, completely oblivious to the fact that the sensitivity of a muscle is subservient to the information it is receiving from the voluntary (Pyramidal tracts) and involuntary system (Extrapyramidal system) and Chiropractics manipulates bones and subluxations which are influenced by postural asymmetries and constraints, as such, never really addressing primary subluxations.
Neurophysiology has progressed immensely over the last 100 years. It is time that specialists realize that it is the relationship between the feet, eyes, jaws, inner ear muscle and skin that constitutes the Postural System. It must be addressed as a whole!
Humans are in contact with their environment mainly through their feet. The foot provides vertical stability and can adapt to any ascending or descending equilibrium. Once a compensatory pattern has been present for more than a year, the foot and the tissues (fasciae) of the lower extremity have adapted and are now in that compensatory pattern.
If the information coming from the base of support is uneven, it will have a direct impact on posture, muscle tension, motor output and muscle sensitivity resulting in a pathological postural adjustment that cannot be corrected by only working on a segmental level. The idea that these imbalances can be corrected through exercise, manipulation or palpation is misguided.
The foot can decompensate posture in three ways; through the skin (by wearing wedges that are greater than 5mm), through the muscles (the sensitivity of the muscle spindles is affected through the mechanoreceptors), and biomechanically.
An articulacy constrain, such as a slight valgus (pronated) of one foot and a varus (supinated) on the other foot, will cause one side of the pelvis to rotate forward relative to the opposite side, affecting the entire kinetic chain.
The skin is the largest organ in the body, it is the first thing that comes into contact with the world and with the ground. The skin, is globally rich in mechanoreceptors and can relay information back to the CNS regarding pain, stretch, and pressure. This is how you know whether you are walking on ice or on sand or on a rocky surface.
The skin of the foot just so happens to have a larger receptive field compared to the rest of the body. It is also equipped with extremely precise skin receptors (mechanoreceptors) that are able to code changes in pressure or length variations up to 1/100th of a mm stretch (ruffini endings).
The muscle spindle is a sensory organ that can code changes in length and stretch and that can recognize variation in tension in the order of 3-24 grams of pressure (Messeiner). The tension of a muscle is under the influence of an voluntary and involuntary system. I think that it is interesting to note that the involuntary system is twice as numerous as the voluntary system and is unable to correct itself by itself, as it responds and executes commands of both voluntary and involuntary systems. Strengthening exercises will help, but cannot remove the adaptation of the fascias, as such the foot will reinject the disequilibrium through ascending chains.
A thick pad greater than 5mm like classic orthotics will sensitize the Golgi receptors (threshold 200 grams) and trigger an inverse myotatic reflex. This is the reason why the arch lift in classic orthotics increases every year and isto be worn for life.
Whereas a pad less than 3 mm (proprioceptive insoles) will trigger a stimulating effect of the synergetic muscles and modify the activity of the postural chains and balance them. This has been demonstrated by several studies: Magnusson-1999, André Deshays-1998, Thoumie- 1996, Diener-1984, W and Ching-1997
Postural Insoles: What’s the story?
The first thing you need to know is that researchers in Europe (Bourdiol, Bricot, Janin, Roll) have demonstrated that the skin of the foot reacts to different frequencies, meaning that they were able to induce either a reflex and/or movement in an individual simply by stimulating the skin of the foot with a 90 Hertz frequency. This study was published in 1999 and it is from this very study that the postural insoles were born.
The postural insoles act on the skin, on the muscle and are bioenergetic. The postural insoles, contrary to classical insoles, do not aim to tilt the osseous bodies, rather, they trigger a stimulating effect of the flexor chains through reflex pathways.
Because the recalibration tools work with the nervous system, the speed at which the changes occur are very quick. We can see changes in alignment, stability and pain reduction up to 90% in the first consultation. Impressive results have also been seen in the case of serious neurological conditions such as strokes, multiple sclerosis, Parkison’s Disease, Cavernous Angioma and Cerebral Palsy. We believe the body to be one unit. We also believe that treating any one part of the body without looking at the system as a whole would be an ineffective strategy.
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The Posturepro Team