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Method and apparatus for leg press exercise with counterbalance
Method and apparatus for leg press exercise with counterbalance
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机译:具有平衡力的腿部推举练习的方法和装置
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摘要
An apparatus and a method for performing a leg press exercise with counterbalance are disclosed. A user support, such as seat and a backrest, is mounted to a frame. A swing, such as a four-bar linkage, is mounted to the frame distal to the user support. A footplate is mounted to the four-bar linkage. An arm with a counterweight is pivotally connected to the frame. A beam is rotatably mounted to the four-bar linkage and the arm. The footplate is adjusted relative to the seat by variation of the length of a connection between a pulley weight system and the four-bar linkage. The footplate rotates arcuately with respect to the frame during adjustment to accommodate users of various stature. The position of the counterweight changes during footplate adjustment in order to compensate for the changing effect of gravity on the footplate and the swing.
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