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Forefoot plantar pressure reduction of off-the-shelf rocker bottom provisional footwear.
MedLine Citation:
PMID:  21511374     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND: Increased plantar pressures have been shown to be a risk factor in ulceration of the neuropathic foot. Prescriptive footwear is a common medical treatment, yet evidence regarding the efficacy of these prescriptions is underdeveloped. The purpose of this study is to determine the off-loading properties of four provisional shoes; a rocker sole compared to a flat sole shoe with and without the addition of a 1.25cm plastizote insert. METHODS: Fifteen subjects with peripheral neuropathy and a normal longitudinal arch were recruited to compare four types of provisional (post-operative) footwear. Plantar surface foot pressures were measured while wearing a rocker sole shoe or a flat stiff sole shoe. Both shoes were worn with and without a 1.25cm plastizote insert. Peak plantar pressures were recorded for the hallux, metatarsal heads (1-5), midfoot, and heel. FINDINGS: The rocker sole shoe with plastizote had the best off-loading properties. While wearing this footwear, mean peak plantar pressure was 2.8kg/cm(2) (range: 1.7 to 4.5kg/cm(2), 50% mean reduction from flat sole shoe without plastizote) and 1.9kg/cm(2) (range: 0.7 to 3.6kg/cm(2), 35% mean reduction) at the five metatarsal heads and hallux, respectively. INTERPRETATION: For patients with a normal longitudinal arch and forefeet, either at risk of developing an ulcer or are healing a forefoot ulcer, a provisional shoe with a rocker sole and plastizote insole provides plantar pressure reduction of the forefoot. However, when results were analyzed for the subjects individually the amount of off-loading varied.
Authors:
Steven J Kavros; Meegan G Van Straaten; Krista A Coleman Wood; Kenton R Kaufman
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-4-19
Journal Detail:
Title:  Clinical biomechanics (Bristol, Avon)     Volume:  -     ISSN:  1879-1271     ISO Abbreviation:  -     Publication Date:  2011 Apr 
Date Detail:
Created Date:  2011-4-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8611877     Medline TA:  Clin Biomech (Bristol, Avon)     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier Ltd. All rights reserved.
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