| 摘要 |
The invention is a barbell-type exercise device in which the grips are freely movable on the bar of the device. Each grip includes a number of bearings that allow the grip to slide along the bar without resistance. The grips and bar include complementary anti-rotation apparatus that prevents the grips from rotating about the longitudinal axis of the bar. A number of adjustable stop members may also be placed on the bar to limit the axial travel of the grips.
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