Material Selection And Development Of Ankle Foot Orthotic Device

2019 ◽  
Vol 18 ◽  
pp. 2509-2514 ◽  
Author(s):  
Tribedi Sarma ◽  
Divya Pandey ◽  
Nitin Sahai ◽  
Ravi Prakash Tewari
Keyword(s):  
Material Selection ◽  
Orthotic Device ◽  
Foot Orthotic

Influence of Running Shoe Midsole Composition and Custom Foot Orthotic Intervention on Lower Extremity Dynamics during Running

2009 ◽  
Vol 25 (1) ◽  
pp. 54-63 ◽  
Author(s):  
Christopher L. MacLean ◽  
Irene S. Davis ◽  
Joseph Hamill
Keyword(s):  
Lower Extremity ◽  
Three Dimensional ◽  
Foot Orthoses ◽  
Orthotic Device ◽  
Rearfoot Eversion ◽  
Foot Orthotic ◽  
Dynamic Variables

The purpose of this study was to analyze the influence of varying running shoe midsole composition on lower extremity dynamics with and without a custom foot orthotic intervention. Three-dimensional dynamics were collected on 12 female runners who had completed 6 weeks of custom foot orthotic therapy. Participants completed running trials in 3 running shoe midsole conditions—with and without a custom foot orthotic intervention. Results from the current study revealed that only maximum rearfoot eversion velocity was influenced by the midsole durometer of the shoe. Maximum rearfoot eversion velocity was significantly decreased for the hard shoe compared with the soft shoe. However, the orthotic intervention in the footwear led to significant decreases in several dynamic variables. The results suggest that the major component influencing the rearfoot dynamics was the orthotic device and not the shoe composition. In addition, data suggest that the foot orthoses appear to compensate for the lesser shoe stability enabling it to function in a way similar to that of a shoe of greater stability.

Development of active ankle foot orthotic device

2020 ◽  
Vol 26 ◽  
pp. 918-921
Author(s):  
Tribedi Sarma ◽  
Kuldeep Kumar Saxena ◽  
Vinayak Majhi ◽  
Divya Pandey ◽  
Ravi Prakash Tewari ◽  
...  
Keyword(s):  
Orthotic Device ◽  
Foot Orthotic

Neurological patients and their lower limb orthotics: An observational pilot study about acceptance and satisfaction

2016 ◽  
Vol 41 (1) ◽  
pp. 41-50 ◽  
Author(s):  
Eva Swinnen ◽  
Christophe Lafosse ◽  
Johan Van Nieuwenhoven ◽  
Stephan Ilsbroukx ◽  
David Beckwée ◽  
...  
Keyword(s):  
Pilot Study ◽  
Lower Limb ◽  
Ad Hoc ◽  
Orthotic Device ◽  
Factors Associated ◽  
Lower Priority ◽  
Neurological Patients ◽  
Negative Comments ◽  
The Aesthetic ◽  
Foot Orthotic

Background:Although an orthotic device of the lower limb improves the functionality of neurological patients, anecdotally clinical experience suggests that the compliance is rather limited.Objectives:The aim was to determine the satisfaction and acceptance of a lower limb orthotic device.Study design:A qualitative observational pilot study with a mix-method design.Methods:Adult neurological patients who had a prescribed lower limb orthotic device were included. One published and clinically used questionnaire about satisfaction (D-Quest) and one ad hoc constructed questionnaire about acceptance of the orthotic device (MIRAD-ACCORT questionnaire) were used for data collection.Results:In total, 33 patients participated (28 ankle–foot orthotic device, 3 knee–ankle–foot orthotic device and 2 other types). In general, they were satisfied about their orthotic device and the services. Less than one-fourth of the patients had some negative comments about the ‘visual aspects’ and the ‘ability to hide’ of their orthotic device. These, however, had a lower priority when compared with functionality, which was reported as a main advantage and is a reason for continuing the use of their orthotic device.Conclusion:Patients were satisfied in relation to their lower limb orthotic device. With regard to acceptance, it can be concluded that factors associated with functionality and comfort are more important than the aesthetic and psychological aspects of the orthotic device.Clinical relevancePatients were satisfied with their lower limb orthotic device. Some patients had some negative comments about the ‘aesthetics aspects’ and the ‘ability to hide’ their orthotic device. However, improvements in functionality were mostly reported as a main advantage and a reason for continuing the use of their orthotic device.

Abrasive wear of polymer/steel gear drives

2008 ◽  
Vol 4 (1) ◽  
pp. 1-26
Author(s):  
Gábor Kalácska
Keyword(s):  
Wear Resistance ◽  
Abrasive Wear ◽  
Material Selection ◽  
Solid Particles ◽  
Soil Types ◽  
General View ◽  
Modern Engineering ◽  
Clean Environment ◽  
Engineering Polymers ◽  
Plastic Gears

Research was performed on the friction, wear and efficiency of plastic gears made of modern engineering polymers and their composites both in a clean environment (adhesive sliding surfaces) and in an environment contaminated with solid particles and dust (abrasive), with no lubrication at all. The purpose is to give a general view about the results of abrasive wear tests including seven soil types as abrasive media. At the first stage of the research silicious sand was applied between the meshing gears and the wear of plastic and steel gears was evaluated and analyzed from the point of different material properties (elongation at break, hardness, yield stress, modulus of elasticity) and its combinations. The different correlations between the experienced wear and material features are also introduced. At the second stage of the project the abrasive sand was replaced with different physical soil types. The abrasive wear of gears is plotted in the function of soil types. The results highlight on the considerable role of physical soil types on abrasive wear resistance and the conclusions contain the detailed wear resistance. The results offer a new tribology database for the operation and maintenance of agricultural machines with the opportunity of a better material selection according to the dominant soil type. This can finally result longer lifetime and higher reliability of wearing plastic/steel parts.

DESIGN-BUILD: AN EFFECTIVE APPROACH FOR ARCHITECTURE STUDIO EDUCATION

2018 ◽  
Vol 12 (2) ◽  
pp. 146 ◽  
Author(s):  
Nabil Mohareb ◽  
Sara Maassarani
Keyword(s):  
Material Selection ◽  
Environmental Constraints ◽  
Design Project ◽  
Construction Methods ◽  
Physical Scale ◽  
Design Build ◽  
Simulation Results ◽  
Education Process ◽  
Real Target

Current architecture studios are missing an important phase in the education process, which is constructing the students’ conceptual ideas on a real physical scale. The design-build approach enables the students to test their ideas, theories, material selection, construction methods, environmental constraints, simulation results, level of space functionality and other important aspects when used by real target clients in an existing context. This paper aims to highlight the importance of using the design-build method through discussing a design project case study carried out by the Masters of Architecture design programme students at Beirut Arab University, who have built prototype units for refugees on a 1:1 scale.

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