The images besides from the WGC-CA Championship at Doral on 3/15/2009 illustrate why it can be difficult to maintain clubface alignment from address to impact.

The black lines show the shoulder, arm and shaft angles at address.

This is the same view of address with red lines showing where the hands, shoulders, leading arm, and shaft will be at impact.

The red lines in the next photo indicate how the shoulders, arms, hands, and club have changed position at impact. The leading shoulder has raised approximately 18 degrees. The hands have moved forward, and the angle between the leading arm and shaft has been reduced to a straight line to the ball.

In the photo on the left, black lines show the starting point at address. The change of angles and position of the shoulders, leading arm, leading hand, and club at impact are indicated in red.

The yellow lines show an angle of about 25 degrees between the leading forearm and the back of the left hand at address.

At impact, the single yellow line shows the flat position of the back of the Continue reading »