| 摘要 |
The exerciser has a platform which is moved up and down rhythmically by the user to impart energy to a rotating fly wheel. Energy is imparted to the fly wheel by flexing of the knees during the up and down motion or by a rhythmic lifting of weights by the user or by grasping onto the hand rails of the exerciser. The exerciser can be constructed to adjust the extent of the vertical motion of the platform via an internal linkage. Further, the energy delivered by the user to the exerciser can be dissipated through various devices such as an alternator connected to an adjustable resistor.
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