Inset Superset of Supinated Curls and Hammer Curls...nothing too crazy here today... This combo exercise simply alternates reps between the two types of curls to hit both the biceps and the brachialis muscles in the same set. Now, it's not necessarily better than doing sets of each exercise individually...this is more a timesaving way to make sure that you're actually doing some brachialis work rather than only focusing on the biceps. In terms of arm size and shape, the brachialis sits underneat