Often referred to as Guthrie Smith Frames, or Spider Therapy Cages, our ARCHIMEDES Pulley Therapy System is an open design, modular pulley therapy frame system that offers a variety of different types of exercises to meet the requirements of both professionals and patients. It consists of modular frames that adapt to any operational needs and available space, a series of harnesses for the body regions and a number of other tools to complete the required equipment. The ARCHIMEDES Pulley Therapy System allows creativity in defining specific rehabilitation programs.