In an apparatus (1, 201) for supporting a patient during a medical procedure having first and second vertically adjustably support columns (3, 4, 203, 304) and a patient support structure (10, 210) having a first end and a second end connected to the first and second support columns respectively, the patient support including a first section (92, 292) and a second section (93, 293) that are articulable therebetween, and rotation subassemblies k(26t) and angulation subassemblies (27), the first and second ends of the patient support structure being joined to respective first and second support columns by respective rotation subassemblies and respective angulation subassemblies, the rotation subassemblies controlling rotation of the patient support and the angulation subassemblies controlling angulation of the patient support sections relative to respective support columns, each angulation subassembly is located only between respective patient support sections and angulation subassemblies such that the angulation subassemblies do not interfere with free rotation of the patient support.
