Abstract: An modular apparatus comprised of a cage and various components for attaching to the cage for use as exercise equipment is provided. A top member of the cage is connected to a first adjustable member having a first pulley. The first adjustable member may be adjustably fixed to the cage through an intermediate member hollow tube connected to the top member of the cage. The first adjustable member can be part of an overall pulley device which is also attached to the cage. The pulley device is preferably comprised of overlapping upper and lower pulley devices. The overall pulley device may be comprised of a top member having second and third pulleys mounted thereon, a bottom member having a fourth pulley rotatably mounted thereto, and a floating member having fifth and sixth pulleys rotatably mounted thereto. A first cord and a second cord can be provided for the upper and lower pulley devices. A second adjustable member for providing an adjustable foot brace is disclosed.