A frame is provided for an orthopedic brace having a frame assembly and an
opposing frame assembly. The frame assembly includes a first longitudinal
support and a second longitudinal support rotatably connected by a
rotational hinge. The opposing frame assembly includes a first opposing
longitudinal support and a second opposing longitudinal support rotatably
connected by an opposing rotational hinge. The first longitudinal support
has a greater degree of flexibility than the first opposing longitudinal
support and/or the second longitudinal support has a greater degree of
flexibility than the second opposing longitudinal support to enhance the
fit of the frame with the body of a user.