Toned arms are a fashion fad impossible to ignore. Arms that are well-defined and chiseled, curl in compliments that they never imagined they would garner. So how do you achieve those amorous arms that you vie for? The answer is bicep curls. Performing bicep curls work as push ups for muscles that command adulation. Well, yes, I agree arm flab is not an appealing sight to behold, especially if you sport them.