?:definition
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Lower-limb orthoses designed for external modification of the structural and/or functional characteristics of the ankle joint and foot, providing immobilization and support and/or intended for therapeutic or daily functional activities (i.e., gait). These orthoses may be classified according to the function of the orthoses (e.g., immobilizers, therapeutic, functional), the physical characteristics (e.g., shape, consistency), and/or the material used to make the orthosis (metal, plastics or a combination of these). Ankle-foot lower-limb orthoses frequently consist of soft or semi-rigid orthoses that can provide control of movement during rehabilitation, therapeutic procedures, and during normal functional activities or practice of sports.
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