Originally Posted by talloulou

Make sure your weights aren't too light. Women are usually advised to go too light and if the weights are overly light for you then they won't do anything. I, personally, don't believe in all that "lighter weight" with many reps crap. I think you can do it till the cows come home and you won't bulk up your arms. The only way to ever see your arm muscles doing that is to lose almost all your body fat. So make sure the weights are heavy enough to actually force your muscles to rebuild.