| 摘要 |
An abdominal exercise apparatus is provided that includes at least a lower carriage, an upper carriage, and a frame supporting the lower and upper carriages. A linkage mechanism operably associates the upper and lower carriages together to allow coordinated movement relative to one another. The upper carriage includes an upper pivot axis relative to the frame, and an upper carriage pivot axis relative to the upper carriage, and the lower carriage includes a lower pivot axis relative to the frame.
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