What Does the Glove Do During the Pitch?

What Does The Glove Do During The Pitch?
December 10, 2008
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Many coaches teach young pitchers to 'Tuck the Glove'. But a study in the Journal of Biomechanics:

Showed skilled pitchers have LESS glove movement:

Allowing their throwing arm to "whip" around the body:

And INCREASE velocity:

DO NOT "Tuck" The Glove!

Keeping the glove chest-high during the pitch keeps the glove IN FRONT of the body at Ball Release:

Tuck1 Tuck3 Tuck2

LESS GLOVE MOVEMENT = increased velocity = more consistent Release Point.

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Dr. Arnold!