The present invention concerns a joint arrangement (10; 110? 210; 310) for an orthosis of an extremity steering wheel, comprising a first joint joint (12; 112; 212; 312) with a long first leg section (14) and a first head section (16; 116? 216; 316),and a second joint (18); 118? 218; 318) with a long second leg section (20) and a second head section (22; 122; 222? 322),with the first joint leg (12; 112; 212; 312) and the second joint (18; 118? 218; (318) in the field of second head section (16; 116? 216; 316? 22; 122; 222? 322) at least partially overlapping and also articulated in such a way that the joints (12); 112; 212; 312; 18? 118? 218; 318) may be folded together in a pivoting plane and in the first section of the head (16); 116? 216; 316) an exception (24; 124; 224? 324) and the second section of the head (22; 122; 222? 322) a management body (26; 126? 226? 326) is provided, with the guiding body (26; 126? 226? 326) in the derogation (24; 124;224? 324) and relative to it is movable, with the exception (24; 124; 224? 324) an inner contour and the guiding body (26; 126? 226? 326) have an outer contour so designed that the joints (12); 112; 212; 312; 18? 118? 218; 318) to each other (24; 124; 224? 324) performs a rotation and translation movement in relation to the steering body, in which it rotates around the steering body (26; 126? 226? 326) is forced and at least phased out a predetermined section of the inner contour (64) on a predetermined section of the outer contour (66).
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