2015年7月19日日曜日

A Problem of Tee Drills

Tee drill is one of the most common hitting drills and it is useful especially in the case of personal instruction because instructors can observe hitters and point out their mechanical problems right beside them. Besides, ball location and timing are free to decide for them - an advantage that is suitable for building up and reforming hitting mechanics.



However, there is one noteworthy problem in the tee drill. As you can see in the photo above, hitter's face is directed toward first base. On the other hand, when sluggers hit home runs, as you can see in the photo below, their faces are typically directed toward pitcher's mound.



Let's think of an extreme case. If you swing while keeping your shoulder at the angle of batting stance, the swing should draw a typical outside-in bat path. Because in that case, the bat barrel gets away from your torso right after the swing has started. 
On the other hand, If you rotate your shoulder while keeping your hands at launch position, then you will see the very inside-out bat path.

Since swinging with looking toward first base in the tee drill prevents your shoulder from rotating very well, it will cause you to get outside-in swing if you repeatedly practice it. Following clips show the glimpses of that. Their swings are not the same as ones they show in actual games. 





So what should we do? The ubiquitous nature inherent in tee drills is indispensable for many players, especially for those who cannot enjoy sufficient space and assistants. So I would recommend you add a supplemental drill to tee drills in the aim of correcting your swing mechanics.

That is the dry-swing which is done with your face looking at a point drawn on the wall or something like that in front of you. The point, of course, must be put in the pitcher's direction so that you can swing with your face facing that direction. 



I recommend to do this dry-swing drill about two or three times every three to five swings of the tee drill. That way tee drills can become truly efficient drills. 

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