Abstract: A hinge for articulatable elements, particularly for a frame element of modular furniture, includes two articulation elements of identical semi-S-shaped profile placed in converse relative position to one another. The respective external lateral surfaces of the elements are placed in an abutting relation so as to allow movement of the elements during installation. The semi-S-shaped profile of the elements includes a convex portion traversed by a bore, and a concave portion. At least one structure is provided for fixing the elements to an upright. The hinge also includes two locking rods, each rod having two bosses. The locking rods are placed on opposing front and back surfaces of the elements so that each of their respective bosses are placed in the respective bores of the two elements. The bosses are additionally traversed by assemblies for receiving a clamping device.