| 摘要 |
An exercise apparatus includes a frame configured to rest on a floor surface; left and right rocker links pivotally mounted on the frame; left and right reciprocating links having forward ends rotatably coupled to respective rocker links, and rearward ends constrained to move in reciprocal fashion relative to the frame; left and right cranks rotatably mounted on the frame; left and right drive links having forward ends rotatably coupled to respective cranks, and rearward ends rotatably coupled to intermediate portions of respective reciprocating members; and left and right foot links having forward ends rotatably coupled to respective rocker links, and rearward, foot supporting ends supported by respective drive links for both rotational and translational movement relative thereto. The resulting linkage assemblies constrain the foot supporting ends to move through elliptical paths, and the paths may be altered by adjusting various components of the linkage assemblies relative to one another and/or the frame.
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