| 摘要 |
An exercise device of the push-pull type is disclosed. The device consists of a pair of parallel channels, knee rest unit, and hand grip unit. Either the hand grip unit and the knee rest unit can slide freely along the length of the channels, while the other unit is held stationary. Both the knee rest unit and hand grip unit have user-variable resistance means. The invention may be disassembled and folded for easy storage and transportation.
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