Ah, ok, it sounded like that was part of the definition of Extensor Action.
Maybe when defining a TGM term like Extensor Action it would be better to say something like "Extensor Action is.... etc" but I teach a modified version of it "by adding... etc."
I don't mean to be disrespectful, or anything, it's just that TGM is confusing enough as it is.
Mr Kelley referred to the "checkrein" action of the left arm, where it applies a constant resistance to the effort the right arm makes to straighten.
Confusion arises from guys thinking that extensor action is the right arm pulling, and keeping, the left arm straight; whereas it is the left arm preventing the straightening of the right arm.
Mr Kelley did not deal in confusion: that only occurs in individual interpretations of what he was very specific about.
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