In addition to the mental demands of playing a character, there were also physical preparations for Chris Pine and Zachary Quinto to complete before they would be ready to step into their roles as Kirk and Spock.
As reported by The Cinema Source, Pine paid attention to the small details of Kirk, so that his portrayal of Kirk would be similar to that of William Shatner. “You watch the show, you know what Kirk does,” he said. “What resonated for me were certain physical things. There’s a way that he holds his body and moves about the deck of the ship that’s very, it’s almost theatrical, you see his kind of theatrical training in his gait and in the way he carries his body, in the way he sits in the chair.” (more…)