The only body builder I ever knew was a computer programmer. The time and dedication required to be top class might preclude much time for other hobbies, but other than that, I don''t think that their interests would necessarily be different form other people.  Of course, if they're one of the ones using steroids, Poser might require more patience than they could muster :-)

"Democracy is a pathetic belief in the collective wisdom of individual ignorance." - H. L. Mencken