The barbell curl emphasises your bicep muscles. Make sure you keep good form when performing the bicep curl. Stand upright throughout the motion - don't sway back and forth as you're lifting the weight.
How to perform the barbell curl
|Number of Reps||
For building muscle size: 3 sets of between 6 - 8 reps. For muscle tone: 3 sets of between 12 - 15 reps.