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The independent arm provides a more balanced power increase, and can be selected to train one arm at a time or at the same time to carry out a concentric and eccentric movement of the other arm.
In the course of the movement, the movement track of the handle will be gathered at a point, produce the movement curve of the nature, expand the scope of the activity. Warm up and stretch the line with the framework of the integration, so that the focus of the exercise of the muscles to get a stretch point.
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