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Comparison of preform orthoses
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Craig Payne DipPod, MPH & Andrew Dawes, BPod (Hons)
Department of Podiatry, School of Human Biosciences, La Trobe
University, Melbourne, Australia
Realignment of the foot
is one of the aims of foot orthoses when treating signs and
symptoms associated with biomechanical dysfunction of the
foot and lower limb. We have previously tested a number of
prefabricated foot orthoses in their ability to change the
alignment of the foot by measuring changes in the frontal
plane position of the calcaneus. We also tested the Interpod™
range using a similar methodology. The mean number of degrees
that the calcaneus changed position for all subjects for each
of the devices is listed below:
|
|
Rubber arch cookie |
0.44 (+2.19) |
6 degree high density EVA wedge |
2.82 (+2.05) |
Formthotics™ (blue) |
0.47 (+1.79) |
Vasyli™ |
0.54 (+1.57) |
Orthopro™ |
1.87 (+2.18) |
Prothotic™ |
2.66 (+1.78) |
Interpod:
|
| Control Tech Soft (moderate) |
2.17 (+1.78) |
| Control Tech Soft (high arch) |
2.19 (+1.73) |
| Control Tech Flex (low arch) |
1.99 (+1.76) |
| Control Tech Flex (moderate) |
2.67 (+1.63) |
| Control Tech Flex (high arch) |
3.05 (+2.01) |
| Slim Tech soft (low arch) |
2.45 (+1.89) |
It can be concluded from this that the Interpod™
range is at least as effective as re-aligning the foot as
the Orthopro™ Prothotic™ and the 6 degree heel
wedge.
Interpod™ is more effective in realigning the foot than
Vasyli™ and Formthotic.
This information will soon be published, the references of
which are:
Payne CB, Oates M, Noakes H: Static stance response to different
types of foot orthoses. Journal of the American Podiatric
Medical Association (in press)
Payne CB, Oates M, Mitchel A: The response of the foot to
prefabricated orthoses of different arch heights (submitted
for publication)
Craig Payne, Lecturer - Latrobe University, Australia
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