What is foot orthotics and how do they work?

This article sheds more light on the term “footare available?
orthotics” – what they are, how they work,There are a number of different types of orthotics
the different types of orthotics available and whichavailable, however they all are designed to achieve
common complaints can be treated with orthotics.the same goal. Generally, there are 2 types of
What does the term “orthotic” denote?orthotics: custom-made rigid orthotics and so called
The word orthotic comes from the Greekpre-made, off the shelf orthotics.
‘ortho’ – to correct. The correct termOnly podiatrists can prescribe and dispense
for orthotic is foot orthosis (plural: orthoses) whichcustom-made rigid orthotics. They are made from a
means a device designed to correct the foot.plaster cast (foot impression) and they can be quite
Orthotic insoles are a device placed inside theexpensive.
patient’s shoes with the purpose of correctingCustom rigid orthotics is for patients withserious
faulty foot function. Poor foot biomechanics can bebiomechanical disorders and/or foot deformities. Most
blamed for many common foot conditions such aspeople simply suffer from fallen arches
Plantar Fasciitis (heel pain) and Metatarsalgia (ball of(over-pronation) do not require an expensive rigid
foot pain). However, research has shown that badorthotic. Research has shown that for 80% of
alignment of the feet also has an effect on otherpeople suffering from over-pronation an off-the-shelf
parts of the body, including the knees and lowerpre-made orthotic will provide sufficient correction.
back. Hence, orthotics is now being used to helpPre-made orthotics is also softer than
treat a variety of conditions, including shin splints,custom-made’s and easier to get used to.
knee and back pain. What does faulty foot functionWhat is the difference between orthotics and
mean?cushioning footbeds?
The most common display of faulty footRegular cushioning footbeds are only designed to
biomechanics is ‘over-pronation’.provide a cushioning effect and shock absorption.
Over-pronation is a condition whereby the arches areThey may feel comfortable at first however they do
lowered and the feet and ankles rolling inwardsnot address the biomechanical of over-pronation, as
excessively during walking and running. It is believedan orthotic does.
by podiatrists that over 70% of the populationWhich conditions can be treated with orthotics?
actually suffers from mild to severe over-pronation.Orthotics are found to be very effective for treating
Over-pronation should not be confused with flat feetheel pain, heel spurs, Plantar Fasciitis, bunion pain,
(Pes Planus). Only 5% of the population is flat-footed,Achilles Tendonitis, Ball of Foot Pain, Morton's Neuron
i.e. no arch is present whatsoever under the foot.and many other foot complaints.
Over-pronators on the other hand do have an archBecause our feet are the foundation of our bodies
present, but the arch will lower significantly duringmany problems in the legs, knees and back are
walking and running, and the ankles will twist inwards.connected to faulty foot biomechanics. This is why
Over-pronation causes the legs to rotate internally,orthotics are now being used in the treatment of shin
which leads to an irregular motion in the knee jointsplints, knee pain and lower back pain and many
and it also forces our pelvis to tilt forward which putsphysiotherapists and chiropractors have started using
tension on the muscles in the lower back. How doesorthotics.
orthotics work?Sources:
Orthotics is designed to correct faulty foot functionThe Journal of American Podiatric Medicine May 1999,
reducing the amount of ankle role and arch flatteningSobel E, Levity S T, Caselli MA Division of
during the gait cycle. In turn this will reduce theOrthopaedic Sciences, New York College of Podiatric
amount of internal rotation of the ankles, legs andMedicine. Vol. 94 Number 6542-549 2004 Journal of
knees. By correcting over-pronation orthotics re-alignAmerican Podiatric Medicine” The Conservative
the feet and ankle bones to their neutral position,Management of Plantar Fasciitis” – Pfeffer
restoring our natural foot function. Therefore,GB, University of California, San Francisco, CA.
orthotics not only helps alleviateproblems in the feet“Chronic Low-Back Pain and Its Response to
but also in otherparts of the body such as the kneesFoot Orthotics” - HOWARD J.
and lower back. What different types of orthotics