| 摘要 |
One or more yielding oblate spheroids rotatably held in a support frame can roll on a support surface while the user of the device in a prone position has his or her spine resting on the rolling oblate spheriod or spheroids which gently and effectively massage the spine. The device is propelled by the legs of the user and therefore provides exercise. The tapered ends of the massage elements are releasably socketed in cup elements held on rotational bearings of the support frame.
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