背部靠着椅子靠背和不靠,锻炼的肌肉部位有哪些不一样?
我发现有靠背,明显能推起力量大好多
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Whatever I may be , Whatever I may becomming this world .....
I will always look out for you , Tyrande .....
※ 来源:·日月光华 bbs.fudan.edu.cn·HTTP [FROM: 58.215.136.*]
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