I'm basically an average joe. Not looking to be a body builder, just maybe an extra 10 lbs of muscle or so. Do I need to do both dumbbell curls and concentration curls, or just dumbbell curls, to get nice biceps?
Posted on 13 January 2010.
I'm basically an average joe. Not looking to be a body builder, just maybe an extra 10 lbs of muscle or so. Do I need to do both dumbbell curls and concentration curls, or just dumbbell curls, to get nice biceps?
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