| 摘要 |
An exercise apparatus is disclosed having a pair of laterally spaced clamps adjustably secured to the upper edges of a door frame opening. A shaft depends downwardly from each clamp and the shafts are connected together by a horizontal bar. The shafts have extending sliding shaft portions with adjustable tension portions connected to each sliding shaft for resisting upward movement of the sliding shafts. The sliding shafts include lower ends having concavely curved shoulder engaging portions, wherein a user's upward movement is resisted by the tension portions of the sliding shafts.
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