This movement is a key to power and accuracy. Think of the power attained by a field goal kicker when they started kicking field goals from the side instead of straight on. Golf is played on a tilted angle and the arms and club must swing perpendicular to that angle. DO NOT TRY TO TAKE THE HANDS AND CLUB STRAIGHT BACK!! The club and hands immediately start back up and in from the beginning of the swing. This will help you hit the ball farther and straighter.