An exercise device having a first base member with foot disks mounted thereon for rotating a person's lower body and a second base member including handles to be grasped by a person for rotating a person's upper body. The first and second base members are mounted so as to be capable of rotating about the same vertical axis. The first and second base members may be mechanically interconnected so as to be forced to rotate together but in opposite directions. Alternatively, the first and second base members may be disconnect from each other so that they can rotate independently. Either may also be fixed so as not to rotate. Similarly, the foot disks may rotate on the first base member independently of the first base member or can be fixed thereto so as to remain stationary in relation to the first base member. The second base member may be mounted overhead with the handles extending downwardly or it may be mounted adjacent the first base member and concentric therewith with the handles extending upwardly. In either embodiment, a variable resistance system can be incorporated to vary the difficulty of exercise.