| 摘要 |
An apparatus for body fat reduction and muscle building includes a bridge having a rectangular shape. A chassis is joined to the bridge and extends away from a back side. A piston having a surface for applying a load resistance to an abdomen is positioned proximate the bridge with a stem extending through a central hole. A swash plate is joined to a distal end of the stem. A return spring is in communication with the swash plate. A drive shaft is mounted to the chassis. A cam is joined to the drive shaft where the cam contacts the swash plate. A motor rotates the drive shaft and cam to move the piston in a first direction towards the abdomen and the return spring moves the piston in a second direction away from the abdomen. A belt secures the bridge to a user with the piston adjacent to the abdomen.
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