?:definition
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Total lower-limb functional orthoses designed to make possible and/or improve a patient\'s gait. These devices support, supplement, and/or augment the limb functions through a linkage between both legs that permits simultaneous extension of one hip and flexion of the contralateral hip. These orthoses may include a mechanism that provides the appropriate linkage between the legs for step-over-step gait (known as reciprocating gait orthoses, [RGO]). Dedicated orthoses using a mechanism propelled by the patien\'s own muscular power (i.e., self-propelled) and using external power (usually electric) sources are available.
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