Patent ID: 7758480

Claim:
An exercise hoop comprising: an outer loop; an inner loop mounted rotatably in the outer loop; and an adjustable centrifugal weight assembly connected pivotally to the inner loop; wherein the outer loop has an outside surface, an inside surface and an annular groove defined radially in the outside surface and having an inner surface; and the inner loop is mounted rotatably in the annular groove of the outer loop and has an outside surface; a channel being annular and defined in the inner loop; multiple sets of through holes defined radially through the inner loop and communicating with the channel; and multiple bearings mounted rotatably in the channel, corresponding respectively to the sets of the through holes, contacting the inner surface of the annular groove of the outer loop and each bearing protruding partially out of the through holes of a corresponding set and contacting the inner surface of the annular groove.