How to make the target direction line parallel to the forearm in golf

In golf ,Physical point of view is not important,  to make the target direction line parallel to the forearm  is important Phil Malte said: "tour to see any of the master who on the putt, you will find that some people make the lines parallel to the direction of the target feet, legs open so that some people, some people close to your feet." What does this mean  Your feet and the angle of the lower limbs almost no effect on the direction the ball rolling. He added: "There are two reasons: First, when you putt leg is not moving, the angle of the lower limbs does not affect the direction of the ball rolling. Second, the impact on the direction of rolling the ball hitting your engine - shoulder, arm, torso.

if you make the forearm in the same plane and direction of lines parallel to the target, then you are in an ideal calibration status, rolls the ball to the direction you expect. "For the forearm in the same plane, there is a good way: the direction of line with the target stations in parallel, putting and parallel to the ground, elbows light affixed to the side of the chest. Shoulder and arm without moving the upper body slowly forward from the hip, knee bent naturally followed, until the underside of the head touch the ground. The whole process should last about 4 seconds. Next, you make the station can be open or closed, it is not important. Putt, the decision to move the direction of putting your forearm angle.