Prescription Orthotics

The whole world has heard of arch supports, custom insoles or orthotics. They are as common as sliced bread or canned soup. And most of them are fairly worthless. Why?

The foot is actually a complex machine that depends on all of its 28 bones, and even more joints, to work in harmony. When it works as designed, the foot is capable of remarkable things which all help insure not only pain-free health of the foot, but the parts up the chain, including ankles, knees, hips and spine. The foot unwinds to absorb shock as the heel strikes the ground, changes shape to accommodate to varied terrain, then winds back up to be a firm, propulsive lever to advance forward.

There are two basic states of the foot that should be very familiar: arch up and arch down.

The arch down state happens when, after the heel strikes the ground, the foot unwinds inside and the arch does a free fall due to gravity. Most people are able to do this so well they overdo it.

The arch up state comes next, because that is what makes the foot a rigid lever for push off, to push you forward. The foot must wind back up inside to raise the arch and stiffen itself. If the arch stays down you have to propel yourself forward with a mushy foot. That is not only tiring because your muscles have to work harder, it leads to the common foot pains and deformities that afflict millions every day: bunion, heel pain, Achilles tendinits, shin splints and metatarsalgia to name a few. Collapsing of your arch causes wear and tear not only on your feet, but ankles, legs and back. Depending on the severity this can cause, growing pain, shin splints, knee pain, hip and low back pain.

The arch down state is important to absorb shock and adjust to uneven floor surfaces. But when it is overdone, the arch can't get back up. Going down hill is easy, but how does it get back up, into the arch up state? About 90% of the population can't get back up enough to have normal foot function. Assisted by gravity, body weight, muscle weakness and hard floors, the foot learns to unwind and flatten the arch ever closer to the ground, getting flatter with age. You may have heard this called hyperpronation or over pronation, which is just a fancy name for flat, flexible feet.

A long time ago, people tried helping others with very flat feet, by devising platforms that would fit in their shoes under their feet and hold up their arches. The only problem was they used solid steel, wood and solid chunks of leather -all of which felt like rocks under their feet. So common medical practice abandoned the idea of holding the arch up. If nobody could tolerate it, what's the point?

So to this day, the most common approach to helping the flat foot avoids direct arch contact and control. Combinations of cushions, wedges under the heel or forefoot are used to try to control the flattening foot -all with undersized or minimal arches. This is why most major studies have shown that typical custom foot orthotics work no better than what you might buy off the shelf at the drug store or supermarket.

From a very common-sense, mechanical point of view, the only way you can effectively control the foot is to apply a force directly up under the arch. The reason we can now do that comfortably is modern plastics. The goal is to create a custom, supportive platform for each foot that is rigid enough to achieve the arch up state, yet flexible enough to allow some small degree of flattening for shock absorption, terrain adaptation and comfort. To do that we have to know how much a person weighs, because bigger people need more support. We also need to know how flexible their foot structure is, because floppier feet need more support. Throw in what kind of activities a person is used to doing and now we have some real custom information to make a device that can control their feet.

But before we can make a truly custom device, we have to cast your feet in a very specific way in order to capture the corrected position we want the orthotic to impose on your foot. If you just stepped in a box of foam, we would capture all that is wrong about your feet: the fallen arch, the splayed forefoot, etc. Dr. Joseph Mechanik has been trained in special casting techniques; to get his patients the best custom orthotics.

Dr. Mechanik will prescribe an orthotic that actually changes how your foot functions on the ground, better.

So what's the big deal? Well...Ask someone who really suffers from a persistent foot pain or a deformity that keeps rubbing into their shoes. Or ask someone who has just had their third surgery to correct a bad bunion. Or someone who is off work because their heel pain is so bad they can't stand or walk for more than 10 minutes at a time. The fact is, many people suffer from foot disorders and are constantly looking for relief.

There are many routine treatments for foot problems, from anti-inflammatory pills, cortisone injections, pads, cushions, ointments and, of course, surgery. All of these have temporary, pain-relieving effects, because they don't go to the source of your problem. To help solve the problem with your feet, you must change the way your feet function on the ground. And the only way to do that is to use a true custom, biomechanical orthotic. Thank you for taking the time to read this. Your foot health is important to us!

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