Altho i agree with the term " sympathetic " ( one which scriv. used frequently ,,, he also believed that it was present to some degree, in all movement).. however, you need to realise that the advances in theory and techn. have changed, in some instances, dramatically over the yrs ( I dont always agree with everything, it is after all, only theory )..
I started my humble " career " before that was written( as a Juvenile ), and the body "pitch " for e.g. that existed at that time, has long since disappeared, and a new paradigm in fwd stance/poise and motion, has now developed .
And.. as far as quoting what past champions believe , is not always accepted by all in the profession,, styles and concepts change,, some good, some not so .Each one tries to cut their "niche" in the time period in which they excelled ..
You need to research the " four schools" of thought , in coaching styles.
They are conceptual ideas that have evolved, and each may have their own merits .
Its worth noting, that fundamental techniques , are, by and large,pretty much unchanged .
And lastly.. one of the most important changes that seems to get overlooked.. the MUSIC..
T and QS at one time written in 2/4.. the tempi of W and FT.. slowed down.