See if you can remember which chakra is which. Do your best not to peek at the diagram! (But I understand if you do.) The more aware we are of the different emotions and abilities associated with each chakra, the more aware we can become of which areas we personally need to focus on. So reflect on each chakra for a minute, and think about which ones you connect with or which ones you believe might need the most love and attention. Which do you feel you might want to focus on?
And FINALLY, here is your article from The Chopra Center. It has instructions for effective self-massage, as well as benefits and a video!