| 摘要 |
A versatile exercise device comprising a level frame; a frame keyhole sequence; a track parallel to two sides of the frame; at least one resistance medium, and a platform comprising at least two wheels, placed and rolling within said track, a platform frame comprising a platform keyhole sequences, and a top panel. The resistance mediums connect the platform to the frame. Preferably, each of two resistance mediums connects one side of the platform with one side of the frame.
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