[EdZ]

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In TGM terms this topic is probably best described as an element of PIVOT LAG.

Now... I worked with another fellow named David Lee that believes that there are a couple of ways this can be done(at least two). The first is called 2:1 timing-- Here the weight moves over and back, from right and back to the left foot, before the backswing is finished. With this type the lower body can now "whip-sling" the arms. He says Jack Nicklaus does it this way.

Another way is, I believe called 1:2 timing-- Here the weight moves to the right side, then back to the left, in a unified manner. With this type he believes the player has to add some manual power out of the arms to get much power. He says Tom Watson is an example of a player that does it this way.

What do you think?

Areas to consider when discussing timing...

Gravity
Motion of the hands around a center, a circle.

Someone who uses a lot of float load (Nicklaus) would use gravity to help keep 'time' consistent.

The relationships of time and space suggest that a ratio of back to through that matches the value of Pi would be the most predictable with motion moving around a center. This would indicate a ratio of 3.14 to 1. Using gravity to 'start' the downswing would be a very consistent approach to 'swinging'.

As long as lag pressure is created and maintained, any other ratio/rate of transition change could be compensated for to a degree, but the question becomes how consistent that approach is over the long term, and under pressure. A true swinger takes advantage of gravity. This may suggest why someone like Sam Snead was able to play top level golf longer than most.

Gravity rides everything

As far as a pause at the top vs starting the lower body (left foot/knee - from the ground up) before the backswing is completed, the issue is creating and maintaining lag pressure, while having a backswing to forward swing ratio that delivers the clubshaft to desired impact location with the most support (to decrease impact deceleration).