Gripping The Bat
Loosen Up
Tension is your worst enemy when it comes to a fluid swing. Tension throughout the body is often the direct result of gripping the bat incorrectly. A player with a relaxed grip on the bat will be able to react faster and wait longer on a pitch than a player with a death grip on the bat. You want to be relaxed in the box; this starts when you pick up the bat.
Pick It Up Like An Ax
Many players will hold the bat back in their hands. Doing this causes a couples of problems.
A decrease in flexibility.
A tendency to tighten your grip. When you hold the bat in the palm of your hands and tighten your grip, your entire body can tighten up. The end result is a negative effect on your swing.
The proper way to hold the bat is out on the fingers. Pick the bat up like an ax. Once you get the bat in your hands, keep it in your fingers. Your middle knuckles will naturally line up when you pick up the bat this way. Some players leave their knuckles in this alignment and some will close their knuckles slightly. Make sure you don't close the knuckles too far; you could lose the ability to use your wrists during your swing. Closing your knuckles also may increase the likelihood that bat will end up in the palm of your hands and not in your fingers.
Keep Loose
Once you are in your stance, make sure you don't tighten up your grip. If this is difficult, you may want to do something to help yourself to keep your grip loose. For instance, you can lay the bat back slightly but keep it out in your fingers. To do this, you have to have a loose grip on the bat. You can also move your fingers on and off the bat.
Whatever mechanism you use to keep your hands relaxed, make sure it is comfortable and does not disrupt your concentration on the pitcher. If you're worried about throwing the bat or loosing your grip, don't. Once you start your swing, your hands will naturally tighten up on the bat and you will be in control.
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