| 摘要 |
Exercise device has a pair of bars each for the grip of one of the two persons exercising with the device and a tension member between bars. The tension member is of such length so that, when the two persons exercising are foot-to-foot and each grasping his respective bar, one of the exercisers is supine and the other is bent forward to a toe-touching angle. With each pulling on his respective bar and swiveling on the hip joints, the exercising persons alternate supine position.
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