I think it is actually quite advantageous for swingers to actually have the clubshaft level with the ball from a front on or overhead view rather than starting from impact fix address(forward leaning) or literally taken mid-body hands(backward leaning).
What this basically allows is for the initial pressure that you put on the club to be parallel with the plane line which makes it an easier task to launch the clubhead orbit correctly.
Clubhead force and motion per 1-L-11 is at right angles (90 degrees) to the inclined plane and this puts the right angle (tangential force) parallel to the plane line.
This diagram of circular motion (think rock on a string) may make things clear.
If you start with an impact fix address, sending the clubhead on its correct orbit the initial pressure you place on the club will then to be inside of the plane line and mid body just the opposite.
".... If you start with an impact fix address, sending the clubhead on its correct orbit the initial pressure you place on the club will then to be inside of the plane line ...."
I think I understand your point. However, in my case, due to chronic mild injury/weakness in my left hand and wrist (particularly the area related to the last three fingers), my feel intuition is that I can control the club more readily closer to Impact Fix address than Adjusted (less roll required at Start Up). Should I infer from your comment that I should monitor that the hands do not tend to take the club inside the plane line? fwiw, I believe on video that my clubshaft tracks the plane line nicely at Start Up, what appears to be a "non-standard" problem for me is a tendency to lay the clubshaft off when it is allowed to go from Top to End, I believe this is due to past left shoulder injuries (rotator cuff and frozen shoulder). After a session of drills monitoring from Top to End that I really keep the clubshaft pointing at or just below the Plane Line, my shoulder will hurt enough to go for the Advil. Recently when just taking it to Top, I seem to track the Plane down well and have less discomfort in my left hand/wrist, probably due to less roll required past Impact .... ?? Since these old injuries are not going to get better, I'm thinking I should just work from nearer Impact Fix address and Top only, it's tough to stay at Top only when I intuitively want/need more power ....
Should I infer from your comment that I should monitor that the hands do not tend to take the club inside the plane line?
No, the club stays on plane.. but the initial thrust to send the club onplane is inside in relation to the plane line from an overhead view. The club lays on the inclined plane and with the club leaning forward in impact fix address the pressure you put on that club to set it into its initial motion (from address) is inwards and upwards.
If you set the club at address with no forward or backward lean, the direction of the initial pressure is now perfectly inline with the plane line and not inwards nor upwards. Instantly it will of course go inwards and upwards but the golfer did not have to think about this during startup to get the weight on the end of your club traveling on the correct orbit cos once you set it in motion, the clubhead will tend to keep on the plane that you set it on.
Not that I think impact fix address is bad, there are many good arguements but just this is my personal preference and my reasoning why....