If you want sculpted biceps with real definition, this focused move could be the missing link in your arm workout.

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If you want big biceps and arms, do curls. If you want bigger biceps and arms, do different kinds of curls. Variations as simple as a change in wrist position or source of resistance allow you to ...

If you stride through the gym straight to the dumbbell rack, grab the first set of weights you see and immediately get to curling, your biceps-building workout is probably too rushed. To really ...