A therapeutic device includes a base and a platform supported by springs. The platform may be attached to the base by hinges. An upper platform may be rotatably attached to the platform such that it rotates about an axis located above the platforms. The upper platform may be biased by springs between the upper platform and the platform. Handlebars may also be Incorporated into the device. A variety of interchangeable. Springs may be provided to assist in adjusting the therapeutic device.
