Do Pitching Restriction Policies Reduce Shoulder and Elbow Injuries in High School Baseball Players?

Specific components of PR policies rather than a national PR policy mandate were associated with significant reduction in SEI rates in HS baseball players. The presence of a consecutive pitching day rest rule and daily maximum pitch count of ≤105 pitches were associated with significant reductions in SEIs based on total (practice and competition) exposures, practice exposures, and competition exposures.