| 摘要 |
In accordance with one embodiment of the present invention there is provided a hoop having an inner circumference that generally forms a circle with an inner diameter sufficient to receive portion of a human body therethrough. A weighted member is slidably secured onto the hoop to increase a centrifugal force of the hoop when in use. The weighted member has a central body with two ends diametrically opposed and has a hollow channel aligned with the two ends. The two ends being sized to slide over the hoop. Bushings may be inserted into the two ends to reduce friction.
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