And here's some links/quotes that bolster my thoughts about this concept:
Here's some thoughts about Steve Jobs and his need for perfection:
People in the orbit of Steve Jobs could not.
And they became the best technologists in the world."
I think most people [hitters included of course] tend to be guided by their need to feel comfortable about whatever they are practicing.
calnewport.com/blog/2011/11/2…
calnewport.com/blog/2011/12/2…
Strategy #1: Avoid Flow. Do What Does Not Come Easy.
“The mistake most weak pianists make is playing, not practicing.
More to follow.
They unload [swing] by trunk rotation around the axis of the spine [along the transverse plane].
Again the motion is VERY similar to a tornado.
And not a ferris-wheel.