What it is:  | When the forearm moves away from the body too early during the arm path. This is similar to "straight-arming" a pitch to early, or to too drastic a degree, in the delivery.  | 
Why it matters:  | Reduces efficiency, increases stress on the elbow/shoulder, and often causes loss of velocity.  | 
Good mechanics in this phase look like:  | 
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How to address it:  | 
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Forearm Flyout (Pitching)
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Written by Matthew Kowalski
 Updated over a month ago