| 摘要 |
An exerciser includes a base, a post extending upright from the base, a lever pivoted to and extending transversely from the post, a resistance providing member interconnecting the base and the lever, an upper pulley mounted rotatably on a free end of the lever, a lower pulley mounted rotatably on the base, and a string fixed to the base, extending upwardly from the base and over the upper pulley, and downwardly from the upper pulley and over the lower pulley so as to permit rotation of the lever when the string is pulled away from the lower pulley.
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