Abstract
The purpose of the present study was to compare the hallux valgus deformity pressure
parameters seen in standard footwear (no orthosis) versus the pressure observed in
the same footwear with the addition of 3 different length orthoses. The forefoot pressure
at a hallux valgus deformity was recorded with pressure sensors placed on the plantar,
medial, and dorsal surface of the first metatarsal head. The participants performed
walking trials without an orthosis and with orthoses of 3 different lengths. The average
pressure and maximum pressure of each area was recorded for each orthosis, and comparisons
were made across the groups. The plantar pressures were decreased in the full length
and 3/4 length orthoses, and the dorsal pressures were increased with the use of the
full-length and sulcus-length orthoses. Significant changes in medial pressure were
not seen with the addition of any orthosis compared with standard footwear alone.
However, a trend toward increased medial pressures was seen with the full- and sulcus-length
orthoses, and the 3/4-length orthoses exhibited a trend toward decreased medial pressures.
We were unable to demonstrate that the use of a custom foot orthosis significantly
decreases the medial pressures on the first metatarsal head in patients with hallux
valgus deformity. The 3/4-length orthosis was less likely to negatively affect the
dorsal or medial pressures, which were noted to increase with the sulcus- and full-length
orthoses. Our data suggest that if a clinician uses this treatment option, a 3/4-length
orthosis might be a better choice than a sulcus- or full-length orthosis.
Level of Clinical Evidence
Keywords
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Article info
Publication history
Published online: June 06, 2015
Footnotes
Financial Disclosure: None reported.
Conflict of Interest: None reported.
Identification
Copyright
© 2015 American College of Foot and Ankle Surgeons. Published by Elsevier Inc. All rights reserved.
