That's not an 18 inch arm. Especially not relaxed. Reg Park had a true 18 inch arm. Are you saying this chick had bigger arms than him?
first of all youre missing the point of this thread second of all you cant tell arm size by pictures, she could be a tall women and her arms are big without being big in relation to her...
Remember bodybuilding is an optical illusion...lee priest looks as big as cutler when in seperate pics but when pictured together you can see the difference