Thoughts About Orthotics

Roman ArchI often get asked to share my opinion about orthotics. You know, that hard shell that people pay hundreds of dollars for and get from a podiatrist which slide into their shoes to build up their arches. They are encouraged to wear them all the time and are told that the devices should end all their troubles. The orthotics will definitely have an effect on the person, because it changes how they stand and support their weight, and for many it can often be positive. The pain they had complained about may have disappeared once the arch builders got inserted. Because of this, many people will swear by their orthotics and wear them for years without getting replacements. They believe that if they were to remove them, all hell might break loose and their pain will return. There are others who have shared that they tried them, but it just made the pain worse, or that it bothered some other area of the body.

First, before I give you my opinion, let’s get a better understanding about the concept behind orthotics. The goal of these devices is to create proper arch shape to the three arches of the feet. That’s right, we have three arches in each foot. The one you’re more familiar with is called the medial arch and runs along the inside sole. The lateral arch is much shallower and runs along the outside sole. The third arch is called the transverse arch and runs over the roof of the foot. Much like the illustration of arches in a triangular formation (pendentives), the arches of the feet help support the weight of the structure above. When all three arches maintain proper shape, weight of the body is distributed through and down the arches.Pendentives Arch

Here are my 3 top dilemmas with orthotics:

  1. Think of the classic Roman arch. We still see it on a daily basis. Bridges commonly use such architecture. The stones connect together in a semi-circle with one stone at the very center shaped like an old-fashioned keyhole. This stone is called the keystone. It is the piece essential for allowing the weight above to be supported. The more pressure applied downward against the keystone and the rest of the arch the stronger the arch becomes. We have three keystones in our feet (talus, cuboid, and second cuneiform) for each of the three arches. What might happen if you were to drive force upward, under an arch? The stones would be pulled apart and the structural integrity of the arch would be lost. The bridge would crumble. So if the orthotic is a stiff arch placed under a foot that applies force upward against the underside of the foot, would that increase the natural structural integrity of your foot or would it make it even weaker?
  2. Have you ever needed to wear a cast?  Perhaps you broke your arm when you were a kid. Maybe you fell skiing and broke your leg. Do you remember what your broken limb looked like when the cast came off? Did you notice how the muscles had atrophied (shrunk)?  What do you think might be happening to the muscles surrounding the foot if a cast (orthotic) were to be inserted? What if you were to wear them for years and years?
  3. The foot is not meant to constantly maintain the high arch position all of the time. The foot is meant to allow the collapsing of all three arches with every step you take. By allowing the arches to drop allows the body to absorb impact and load muscles like a rubber band being pulled and then released in order to propel forward. If the arches were not allowed to drop, half of the way the foot should move is lost.  This means your joint mechanics are simply finding a new way to compensate. This may lead to more trouble and pain further down the road.  The pain may show up in a bunch of new places and rarely will the blame be placed upon the orthotics.

The bottom line is orthotics are just like a cast on a broken limb that people should not wear forever. I can see a place for the temporary use of hard-shell orthotics, but they should only be used as a means of correcting and teaching the body how to properly move. Soft inserts that allow the ability of the foot to pronate and supinate (when the arch drops and then lifts, respectively) are a nice alternative. The point is to re-educate the body how to move better without such crutches.

Now I wonder where you might be able to get help with such issues??? :)

For more info, watch my new video.

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Rocky's Fitness Center

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