What Makes Sense to Me. Ask 20 coaches to define rotational mechanics to you and you will most likely get 20 different responses, similar as they may be, you will still get a wide range of responses, which is perfectly fine! The most important aspect of teaching quality hitting mechanics is not necessarily what you are calling it that matters, but what you are actually teaching. As for me, and The ParkerTraining System, it is pretty simple. I define rotational mechanics as follows: (a) First and foremost, there has to be weight transfer from the back-side to the front-side, watch every hitter in the MLB and you will see the weight come out of the back foot as they turn to contact. (b) Secondly, at heel drop the hips engage and pull the arms around the body, thus hips before hands (don't throw knob at the ball- bring barrel to ball). (c) Third, the process of leveling takes place and players drop barrel level to the path of the pitch, I don't teach down through the ball because the best players in the world Don't do it! They swing up through the heart of the ball. (d) Next, Ideal Impact as defined by Ted Williams is when the bat and ball meet at a 90 degree angle. The "hitters box" must be intact and in proper position in order to accomplish Ideal Impact. (e) Finally extension, great hitters are short and compact to the ball and long through the ball. They don't roll their wrists, and the push through the ball.
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