It is really important to get a nice full shoulder turn into the backswing as this allows the slot to open for the downswing approach back towards impact and helps the golfer get through the ball to the finish. How the left knee operates is a big assist in being able to do that as this video explains.
Shoulder turn is important for numerous reasons. In this video I explain why
Greg Norman had a backswing thought he named -R.P.B- Right Pocket Back. This is something I used as I built my swing around some of his ideals. It works wonderfully well to make the legwork function dynamically and to help coil into a powerful backswing. Find out more in this video as I explain the R.P.B
A lot of the older golfers showed illustrations such as above in their instruction books. Where the feet were aligned differently for shorter or longer shots and the ball position looked different also as a result. Watch this video to find out the reason why.
In this series of backswing options- we reach option number 4. Width and space and extension- a key to many of the best driver's of the golf ball throughout history. Find out more in this video explanation.
Most of the great golfers left us some amazing insights into building a better swing. Sam Snead showed a terrific image in one of his books in relation to the backswing. It can really help improve your swing path if you follow his thoughts.