[Jeff]

Biomechanic

I am not asking for advice. I have my own evidence-supported opinions on which graph is likely to be more accurate. I am merely asking for alternative opinions.

If someone, like you, has an opinion that the TPI graph is inaccurate and that it doesn't represent reality in a body swinger, then that person is free to provide an explanation as to why the TPI graph is inaccurate. I personally have substantial reasons to believe that the TPI graph more closely represents "true" reality.

Jeff.