A brace (10) which can be used in the orthopedic sector for correctly blocking and anatomically supporting the vertebral column, substantially consisting of a semirigid slat (11), with elongated vertical development, shaped in accordance with the vertebral column and thus making it possible to follow and support the column, the lower part being attached to straps (12) which are fixed at the front to an abdominal plate (13), wrapping around the waist, and the upper part to the end of straps (14) which also couple to the same abdominal plate (13), passing through loops (15) positioned at the sides, there being, in the initial part of the straps (14), that is to say in the coupling area (16) of the casing that encloses the semirigid slat and to a certain extent the section towards the front of the brace, a pocket (17) surrounded by stitching and in which there is a slit (18), said pocket being designed to accommodate a stiffening element (19) with a substantially arched shape.