| 摘要 |
An exercise treadmill of the type having an endless moveable surface looped around rollers or pulleys to form an upper run and a lower run, the movable surface being rotated when one of the rollers or pulleys is rotated, an exercise surface on for walking or running while exercising, and a weight resistance means for simulating the dragging or pulling of a load, wherein the endless movable surface moves in a direction simulating walking or running backwards.
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