check this video
http://www.youtube.com/watch?v=LOzs13t4Ls0&NR=1
and tell us if anything is wrong with this guy's form? both the dbell or barbell curl?
check this video
http://www.youtube.com/watch?v=LOzs13t4Ls0&NR=1
and tell us if anything is wrong with this guy's form? both the dbell or barbell curl?
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