Rule #7- Since the bicepts make up more of the arm than the tricepts, you should train the bricepts specifically with lots of curls. I heard if you bend over and do your curls it will hit the lower bicepts muscle harder.
Personal Trainer- ACE, NASM AFPA; Nutrition Consultant- AFPA
"I can do all things through Christ which strengtheneth me." - Philippians 4:13"