| 摘要 |
The invention is a portable exercising device comprised of a flexible elastic material strap, held fixedly between three rods which are secured longitudinally by means of semi-rigid plastic caps at each end. The caps are removable from the rods in order to adjust the active length of the elastic material, adapting the tension of the elastic to the user's specific need. The grouped rods are embodied as the handle of the device as exercises are performed. The strap may be connected to a stationary object such as a door, or held by the users foot or other means. The device is used to perform exercises which tone and firm muscles of the user.
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