There are plenty of exercises that'll stretch your shirtsleeves—but if you want targeted moves for your biceps, then it's time to start learning a variety of curls.

Here are 15 biceps exercises that'll stimulate new levels of growth, help maximize strength, and give you the sort of muscle definition that would make Mark Wahlberg and Vin Diesel proud.

For more muscle-busting ideas, check out the 30 best arms exercises of all time.