From the back view you can see that Greg's swing plane arc is always on line - his up swing and down swing exactly mirror each other hence one of the reasons why Greg was number one in the world for over seven years. The swing arc of Greg's swing would have to be one our goals to follow.
This example of Greg Norman's swing is taken from his 'Better Golf Series' - 1995
With this type of take-away that Greg uses then his rhythm is always stable for every club that he plays and for every shot that he will play. This take-away ensures consistency.