A joint with adjustable angular range for a knee brace or other orthopedic braces with two uprights or rods (11, 12) which can be fitted as auxiliary supports for the joints of the human body such as the knee, the ankle, the elbow or similar, in which the pivot of these two rods (11, 12) consists of two plates (13, 14) connected to each other with rivets (15, 16, 17 and 18), which represent the four joint points of the articulated four-sided figure between the lower upright (11) and the upper upright (12), and in which between the plates (13, 14) and the uprights (11, 12) it is possible to insert wedges (19, 20) which have different shapes according to the angular range to be obtained.
