Feet And Orthoses

The foot to me is like a "loose bag of bones."prescription
Tied together by the softorthoses do this. In fact many non prescription
tissues, each bone moves on one or more ofsupports do it too.
the planes of motion andHowever, the closer the orthoses is to limiting
moves as much as necessary in order to reducethe precise amount of
incoming shockmotion and yet, lets the foot move naturally and
An orthosis to my way of thinking is designed tobalanced across the
"assist" the foot andfloor, the more comfortable it will be to wear,
minimize this motion. It does this by aligning theand above all else
foot to the groundproduce results.Foot orthoses unfortunately do
and tightening up the laxity of the foot motionnot work like eye glasses. You do not
making it moreget an instant resolution. Some people do
efficient in its course of action(s).respond amazingly quickly,
What the SDO does so well, is allow each bonealthough this is the minority. Some people are
to move through itsmore complex for
natural planes of motion in a fluid manner (NOwhatever reason and they may take anywhere
PUN INTENDED). It doesup to six months to begin
not alter these motions and does not restrictto respond favorably. The majority of people
them abruptly. It simplyfeel a 40-60% minimum
guides the structure through its course of action,average improvement in their symptoms within
yet limits the8 weeks, (this is not the
laxity. This is what makes the SDO so easy,same as being cured). As time continues it is
accurate and comfortable topossible to feel like
wear.progress has stopped or that the pain is coming
A traditional support (rigid or semi-rigid) on theback. As you wear the
other hand (in myorthoses you begin to absorb the prescription so
opinion) holds the foot to a casted position whichyou may start to feel
is rigid to thethe residual inflammation and tension temporarily.
planes of motion. Granted, if the foot structureIf your orthoses are
feels comfortable tocomfortable and you are able to wear them
this position and way of walking, and it works inmost of the time they are
its concept ofworking. The healing of biomechanical
healing, then that is the bottom line. To me, justinflammation takes time.
because the foot isIt can take 1-2 years for an orthoses to
custom casted to a biomechanical position, doesgenerate its maximum effective
not mean it fits the wayrange of healing. As your foot flexibility increases,
that foot works (that's why I hear so manythe optimal
patients say it is veryposition of alignment will change (due to increase
uncomfortable even if it helps). Especially duringin health from
an injury where thereduction in tension and inflammation). Then
muscles are under tension and spasm andregardless of your
therefore tight and restrictedsymptoms you need to get another prescription
to the correct biomechanical position. This is whyin order to keep your
in my experiencefeet and body working to their best efficiency. If
working with traditional orthotics for 15 years, Iyour orthoses work
found so manycorrectly you can expect 2-3 changes in your
failures. And I could do very little to adjust thatlifetime. Most of these
device to make itchanges should occur in the first to the second
that much more acceptable to the patient.year. The next change
The SDO can be adjusted to anyone (as long asshould be very gradual over the next 4-6 years.
that individual is willingAfter that changes may
to work with you and understands that justor may not occur. If they do it will take a long
because the orthotic fitstime.So to clarify the last question, "Is there an
does not mean that resolution is going to beorthoses so ideal as to
quick), because theprevent foot problems?" Depends on what
intrinsic muscles of the foot determine that theproblems we are looking to
fit in that positionprevent. If we are looking to prevent injuries
is acceptable to them. We also know that if anfrom inadequate
orthotic does work, wetraining, excessive distances, increasing mileage
will need to adjust the alignment position in 1-2too quickly,
years to compensateanatomical or functional abnormalities, accidental
for that shift in fit vs biomechanical position.sprains or strains ,
Does The Ideal Foot Orthotic Exist?uneven surfaces, and aging, probably not. But if
there are biomechanical
The ideal foot orthotic: "Is there such a thing?"reasons for something to eventually happen e.g.
Perhaps not. Can onestructural (like a
orthoses meet the needs of all people? Ofbunion or heel spur), then it is possible to at least
course not. Is there anslow down the
orthoses so ideal that can prevent or slow downprocess and possibly prevent this from occurring
foot problems? Possiblyenough to not let it
so, but this needs clarification.The purpose of abe a problem in your lifetime.Copyright 2006
foot orthoses is toDennis Kiper, all rights reserved.
limit the total range of motion (overpronation)Dennis N. Kiper, D.P.M., specializes in Podiatric
available to the footSports Medicine.
as it coils to the ground (called pronation). Most