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Development and Evaluation of Prefabricated Antipronation Foot Orthosis

This study aimed to develop and evaluate a new antipronation foot orthosis addressing concerns expressed by clinicians and users. The research involved engaging clinicians and users in developing user specifications, designing orthotic geometry and materials, and evaluating the orthosis' effectiveness in reducing foot pronation in 27 individuals. Results indicated improvements in orthosis shape, materials, durability, and hygiene, leading to reduced rearfoot eversion during walking and running. The structured process yielded design decisions that met the specific concerns of clinicians and users effectively.

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Development and Evaluation of Prefabricated Antipronation Foot Orthosis

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  1. Development and evaluation of prefabricated antipronation foot orthosis Rachel Majumdar, BSc (Hons); Philip Laxton, MSc; Anna Thuesen, BSc (Hons); Barry Richards, BSc (Hons); Anmin Liu, PhD; Francisca Arán-Ais, PhD; Enrique Montiel Parreño, PhD; Christopher J. Nester, PhD

  2. Aim • Develop and evaluate new antipronation foot orthosis that addressed problems perceived by clinicians and users with existing foot orthoses. • Relevance • Prefabricated orthoses are in demand because of constraints on healthcare resources, but anecdotal observations indicate design shortcomings compared with custom-made foot orthoses.

  3. Method • Clinicians and users were engaged to develop user specification for orthosis. • Orthotic geometry and materials were developed using clinical reasoning. • Orthotic material properties were tested. • Ability of orthosis to reduce foot pronation was evaluated on 27 individuals.

  4. Results • Clinician and user concerns about prefabricated orthoses: • Shape and materials don’t sufficiently support foot. • Durability. • Hygiene. • New orthosis design: • Geometry adjusted to enable individual foot sizes. • Harder and more durable material selected. • New orthosis effect on pronation: • Reduced maximum rearfoot eversion during walking and running.

  5. Conclusion • Through structured process, orthotic design decisions were made that addressed specific concerns of clinicians and users. • New orthosis was proven to reduce rearfoot pronation.

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