Mashing fixes?

[cnadon]

BM wrote a few days ago defining mashing:

"Mashing" with the upper body.
"Mashing" - Really banging down on the ball.

"Mashing with the upper body" - Using the upper body, at least somewhat diving into the ball, to assist with the mash, instead of using proper tilts, rotation, hand & club paths, and hip travel.
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I'm familiar with this move, which, in addition, is not good for the back. My question: what causes it and where do you go to fix it? Thanks.

 

[Jared Willerson]

I know it seems counter intuitive but a steeper hip turn and steeper shoulder turn combined with a no "pop out" type back swing really cured me of the "upper body mash"

 

[birdie_man]

I want to mash is just not "STLOC" (attempt at "heavy hit") mash it.