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The Influence of Heel Wedge Properties on Roll-over of the Intrepid Dynamic Exoskeletal Orthosis (IDEO)

Physical Disability Clinical Trial

Official title:
The Influence of Heel Wedge Properties on Roll-over of the Intrepid Dynamic Exoskeletal Orthosis (IDEO)

Clinical Trial Summary

The Intrepid Dynamic Exoskeletal Orthosis (IDEO) is a type of ankle foot orthosis designed to reduce pain and improve function for individuals with foot/ankle pain and/or weakness. Because the IDEO restricts ankle movement, the geometry and mechanics of the device must be designed to allow for a smooth roll-over as the patient walks with the IDEO. The heel wedge, while not physically part of the IDEO, is an integral part of the IDEO-heel wedge-shoe "system". The goal of this research is to determine how heel wedge properties may contribute to the smoothness of roll-over during gait. Insight into the effects of heel wedge properties on roll-over will help optimize the design of the IDEO-heel wedge-shoe "system" and may produce guidelines for the customization of these features.

Clinical Trial Description

The proposed study includes a between groups comparison (for Aim 1) and a fully repeated crossover design (for Aim 2). It will be conducted in the Military Performance Lab (MPL) at the Center for the Intrepid (CFI), Brooke Army Medical Center, Joint Base San Antonio (JBSA)Fort Sam Houston, Texas. Subjects who use IDEOs will come to the Military Performance Lab for one test session during which they will walk in standardized shoes with six different heel wedges in random order. Control data will also be collected on able-bodied individuals. Control subjects will also come to the MPL for one test session in which they will walk using the same standardized shoes. For all subjects, biomechanical gait data will be collected as the subjects walk along a walkway in the MPL. This data will be used to calculate roll-over shape, instantaneous radius of curvature, Center of Pressure (COP) velocity, and ankle moment. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02509819
Study type Interventional
Source Brooke Army Medical Center
Contact
Status Completed
Phase N/A
Start date July 2015
Completion date August 23, 2017
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