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Articles Tagged Pitcher Mechanics 

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February 26, 2003 12:00 am

The Injury Nexus


Nate Silver and Will Carroll

Pitching is an unnatural act that invites injury. The stress it places on the bones of the shoulder, arm, and back is immense. The strain it places on the 36 muscles that attach to the humerus, clavicle, and scapula is remarkable. It is widely accepted by sports medicine practitioners that every pitch causes at least some amount of damage to the system.

It seems fair to say that the study of pitcher injuries is an important part of sabermetric analysis. The statistical evidence available to test theories about pitcher injuries, however, is often missing. While there are databases that contain every recorded statistic from the days of Al Spalding and beyond, and others that document every play of every game in the past 30 years, a comprehensive database of player injury history simply doesn't exist.

However, between a careful analysis of what data is available, the creative use of proxy variables in estimating injuries throughout time, and the application of some principles of sports medicine, we are at least in a position to make some educated guesses about the nature of pitcher injuries. Our particular focus in this article will be the progression of pitcher injury rates by age.

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June 19, 1998 12:00 am

Pitcher Abuse Points


Rany Jazayerli

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