1. With a host of curls and pull-ups, this routine will make it fun to flex those powerful biceps. But don't worry, ladies—by using lighter weight, you can focus on toning and tightening these showcase arm muscles without adding the size that most guys covet. Additionally, this workout will also provide some great back definition that everyone can appreciate. No matter what your goals, you will achieve them in dramatic fashion if you dig in and max out your reps.
P90X Back and Biceps Info
