Ladies: Do 3 sets of 12-15 reps with a lighter weight to for upper arm toning and...
Guys: Do 4 sets of 6-8 reps with a heavier weight to build bigger biceps and...
You don't have to use dumbbells... You can also use a barbell (a straight bar) to work your biceps and...
Since this exercise only sculpts the front of your arms... Here's some videos you can watch to work the back of your arms...
sarah,
Use 5-to-12 pounds weights for 8-to-12 reps but up the weight once it gets too easy