an orthotic device for a joint of the human body , at which a body part pivots , includes first , second and third members . a first connection joins the first member and the second member and defines a first axis about which the first member and the second member pivot through an adjustable range of angular motion . a second connection joins the second member and the third member , defines a second axis substantially parallel to the first axis about which the second member and the third member pivot through a second range of angular motion , and includes a limit to plantar flexion about the second axis .