右图分析了锻炼时上肢肌肉的协作关系请据图分析回答问题 �当伸肘时以�为主的肌群处于 状态而以�为主的肌群处于另外一种状态 �屈 Template




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tomski右图分析了锻炼时上肢肌肉的协作关系请据图分析回答问题 �当伸肘时以�为主的肌群处于 状态而以�为主的肌群处于另外一种状态 coloring