[Martee]

Obvously not an expert in this field, me that is.

From my limited research and reading and attempting to adopt the TGM philosophy of the uncompensated stroke I submit the following...

1. Static posture (standing in this case), neutral spine, will define for an individual the optimal relationships.

2. Dynamic posture will maintain the optimal relationships (spacial and temporal) for instantaneous axis rotation of any/all working joints. That is if done correctly.

3. Angle of the spine at address will differ from the angle at impact unless the address position is the Fix Address (probably never be the same but close).

4. Angle of the spine at Impact in theory can be pre-define for any golfer based on
a. The golfer intends to use the golf club as it is designed
b. The golfers physical traits (height, arm length, etc) are taken into account.

5. Angle of the spine at Address is more a function of what the golfer has learned so the Impact position can be obtained with the selected components being employed.

Traits of the Neutral Spine can be found in many golf writings when defining the address position.

It seems to me that as in other activities as well if you have a known starting point, the neutral spine, that moving into the address and impact positions, it will simplify achieving the alignments that the golfer is striving to achieve. Rather than create a situation where the golfer must fabricate movements, the golfer can have natural movements intended to maintain.

Just some thoughts. Oh, my question what how does the neutral spine relate which is what I have attempted to give my thoughts on. Also I keyed on the title Medical..