A brace for supporting a joint formed of a plurality of joint members is disclosed. The brace includes first and second frame members (15, 17) disposed on opposite sides of the joint to be supported, and first and second hinge members (19, 21) disposed substantially adjacent the joint and connected to the frame members to pivot the frame members about the joint. The frame members may be formed of separable portions (39, 41 and 43, 45) engageable with each other at variable locations along the length thereof. Adjustment of the engagement location being effective to vary the orientation of at least one of the frame member portions with respect to at least one of the hinges. The brace is therefore adjustable to conform to lateral curvature of the joint members. The hinge members may be formed to regulate rotation of at least one of the frame members about the joint to provide close support to the joint members during unlocking of the joint. Such close support is provided by separately pivoting the frame members about the hinge member such that the relative rotational movement of the frame members varies in accordance with the relative movement of the joint members supported by the brace.
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