An ambulation assistance device is provided with a leg support that releasably secures to an individual's leg and supports the leg in a positively flexed position. An elongated pylon extends downwardly from the leg support and may be hinged at the point of connection to simulate the mechanics of the individual's knee during ambulation. A resilient rearward brace may be used to bias the pylon toward a standing position. A forward brace may be provided to limit over extension of the pylon. A foot member may be pivotably coupled with the distal end of the pylon to simulate the mechanics of the individual's ankle during ambulation. A resilient brace may bias the foot member toward a standing position.

 
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