Effects of Above-Ankle Orthoses on Individuals with Diabetic Partial Foot

dc.contributor.authorEwers, Susan
dc.date.accessioned2008-05-01T17:24:32Z
dc.date.available2008-05-01T17:24:32Z
dc.date.issued2007-12
dc.descriptionxi, 67 p. : ill. A print copy of this title is available through the UO Libraries under the call numbers: KNIGHT RD756.42 .E83 2007en
dc.description.abstractPartial foot amputation is becoming more prevalent and costly and if not treated correctly can lead to higher levels of amputation. Despite this, partial foot orthotic research and development has been inadequate. Furthermore, in order to contribute to improved orthotic management, there is a need to understand the biomechanical discrepancies during gait. Biomechanical goals of orthotic fitting include normalizing the three functional impairments of the transmetatarsal amputee. The first goal is to improve balance, the second is to normalize the toe-off phase of gait, and the third goal involves supporting the plantar surface of the foot to evenly distribute pressure. In this study, all subjects were evaluated with a below-ankle condition and an above-ankle condition. The below-ankle condition consisted of a total contact foot orthosis fitted into Drew' shoes with rocker bottom soles. The below-ankle orthosis was then fitted with a Blue RockerĀ© ankle foot orthosis and gait was re-evaluated as the above-ankle orthotic gait condition. Three specific goals were proposed in this study: 1) to determine the differing, if any, effects on balance and vertical ground reaction symmetry during level walking and obstacle crossing between the two orthotic designs, 2) to determine the plantar pressure distribution differences between a below-ankle and an above-ankle design, 3) to learn about patient preferences to provide realistic feedback for quality patient care. We hypothesized that improved balance, symmetry and distribution of pressure would occur with the above-ankle design in individuals with greater disability.en
dc.description.sponsorshipAdviser: Li-Shan Chouen
dc.format.extent2452944 bytes
dc.format.extent58187 bytes
dc.format.mimetypeapplication/pdf
dc.format.mimetypeapplication/pdf
dc.identifier.urihttps://hdl.handle.net/1794/6055
dc.language.isoen_USen
dc.publisherUniversity of Oregonen
dc.relation.ispartofseriesUniversity of Oregon theses, Dept. of Human Physiology, M.S., 2007en
dc.titleEffects of Above-Ankle Orthoses on Individuals with Diabetic Partial Footen
dc.typeThesisen

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