At Avimex, we strive to release only the best products, and for this purpose, we have analyzed, studied, and used no less than 20 products from competitors and the market (both from the USA and Europe). The conclusion is quite clear: there are two categories of posture correctors: those that don't correct and therefore don't work, and those that work but cause pain!
Before explaining this sad reality, it's good to consider the definition of tension: it is defined as the action of opposing forces acting on a body. The opposing forces in the case of a posture corrector are: 1) the back pathology, which could be kyphosis, scoliosis, or lordosis, requiring correction, and 2) the device, typically textile, which creates traction against the pathology to correct it. This naturally involves an unavoidable conflict of forces: one static force from the back and another dynamic or controllable force exerted by the corrector. Since Newton's Second Law establishes the level of force, it will be proportional to the applied force, creating opposing energy, which results in discomfort.
The discomfort increases if the applied force is greater. Additionally, every force needs a point of support; otherwise, it wouldn't work (does anyone remember Archimedes' famous phrase "Give me a place to stand and with a lever I will move the world"). Unfortunately, this merit goes to the armpits, which are the "lever" where the opposing forces between the corrector and the posture meet. It could theoretically be possible to find another point of support (such as the neck, belly, etc.), but all that would achieve is shifting the discomfort from one critical point to another.
Once it's established that, due to physical laws, it's impossible to avoid the discomfort from the forces created at the lever points, can this discomfort be softened using padding or soft elements? The answer is another harsh reality: adding padding only delays the onset of discomfort but doesn't reduce the discomfort or its intensity. This means that posture correctors with simple elastics will start causing discomfort after 20-40 minutes, while correctors with "padded areas" will delay discomfort until 25-50 minutes: a very limited difference considering the price disadvantage and impractical volume. In contrast, "Chinese" posture correctors (such as those by the alleged Dr. Jack Levine with even magnets for magnetotherapy) are so ineffective at correction that they don't cause harm only because of their poor performance, not due to any strategic advantage.
For this reason, the brand Pura+ launched several "simple" correctors because it humbly accepts that creating areas of presumed "padding" only affects the wallet, not the final effect of customer satisfaction. The only truly viable and effective advice is to limit the use of a posture corrector to one hour per session, thus avoiding the inevitable discomfort.
Published by Luca Cascianini
(Technical Director - New Products Avexim Fashion & Health Group)
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