How pitching changes little leaguers' shoulders

At this year's Little League World Series, new rules for the first time forced players to limit the number of times pitchers could throw the ball, and coaches had to strategize how pitchers were used more carefully.

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<p><a href="http://www.physorg.com/news110702282.html">How pitching changes little leaguers' shoulders</a></p> <p>At this year's Little League World Series, new rules for the first time forced players to limit the number of times pitchers could throw the ball, and coaches had to strategize how pitchers were used more carefully.</p>