| 摘要 |
The present invention relates to a standup exercise apparatus that simulates walking, jogging and climbing with arm exercise. More particularly, the present invention relates to an exercise machine having separately supported pedals for the feet and arm exercise coordinated with the motion of the feet. Cross trainers guide the feet along a generally elliptical shaped curve to simulate the motions of jogging and climbing. Existing machines often produce user problems such as excessive foot articulation. The present invention is an improved elliptical exercise machine capable of extended exercise with fewer user problems. Further, the cross trainer is adjustable to vary the motion of the elliptical stride from walking to climbing. A foot support member is guided by a roller on one end and driven by a crank linkage on the other end. The roller is in rolling contact with a curved guide supported by the frame in a manner that allows the curved guide to be repositioned horizontally. The resulting pedal motion can easily be changed by a horizontal reposition of the curved guide. Handles are coupled to the foot support member with connector links for coordinated arm exercise.
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