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With strength of arm and chest exercise device, my right arm is tired, his left arm is not tired, a

conghuachen2010-03-05 13:10:37 +0000 #1
I am not a left-handed
yanbest20092010-03-05 13:16:20 +0000 #2
prove that you pull the left arm right arm is not tired, a little because no force normal
424,345,6622010-03-05 13:46:34 +0000 #3
such a normal thing



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