Invention Grant
US08235878B2 Stability ball control device with radial control surfaces of increasing widths 有权
具有径向控制表面的稳定性球控制装置

Stability ball control device with radial control surfaces of increasing widths
Abstract:
An exercise device includes a central hub, a plurality of rib structures radiating from the central hub, and a band. Each rib structure has a proximal end secured at the central hub and terminating at a distal, radiating end. The band is secured to the distal end of each rib structure such that the central hub, the plurality of rib structures, and the band form an enclosure operable to seat therein a bottom portion of an exercise ball.
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