FIELD : medicine.SUBSTANCE : ankle link of orthosis or exoskeleton contains base element, first lever, first post, second post and foot support. First lever is installed on the basic element with possibility of rotation. First post is articulated by the upper end with the first lever. Second post is articulated with base element by upper end. Foot support is connected by first lateral side with lower end of first post and second lateral side with lower end of second post by means of hinges having at least two degrees of freedom.EFFECT : invention provides higher stability and safety of human operator.13 cl, 17 dwg