Patent ID: 8235878

Claim:
An exercise device, comprising: a central hub; a plurality of rib structures radiating from the central hub, each rib structure having a proximal end secured at the central hub and terminating at a distal, radiating end; a band secured to the distal end of each rib structure such that the plurality of rib structures and the band form an enclosure operable to seat therein a bottom portion of an exercise ball; a pedestal secured to the central hub and operable to hold still the enclosure irrespective of a rolling movement of the exercise ball while the exercise ball is seated in the enclosure; and at least one roller positioned about at least one of the central hub and the band and operable to come into brushing contact with a surface of the exercise ball when the exercise ball is seated in the enclosure such that the rolling movement of the exercise ball causes the at least one roller to at least one of: correspondingly revolve thereabout thereby facilitating the rolling movement of the exercise ball within the enclosure; and correspondingly revolve thereabout in a direction opposite the rolling movement of the exercise ball and, thereby, resist the rolling movement of the exercise ball within the enclosure.