| 摘要 |
<p>An exercise apparatus (10) comprises a generally rectangular extruded aluminum frame (12) having a head end (14), and a foot end (16) including a pair of spaced apart parallel track members (18).The head end, the foot end, and the track or rail members are each formed from the same metal extrusion material having the same cross sectional shape. The apparatus includes a movable carriage (20) mounted on the frame for movement along the rail members between the head, the foot ends against one or more resistance members (24) connected between the carriage, and the foot end of the frame. Each of the rail members includes an outwardly open T shaped longitudinal slot therein for receiving a T shaped anchor bar for a foot support bar assembly. The foot bar assembly (26) includes a replaceable U shaped foot bar having a pair of spaced parallel leg portions. The assembly accommodates various shapes of foot bars.
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