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🔥 The Overlooked Key To Arm Health

  • Adam Fenske
  • Apr 29, 2025
  • 1 min read

Updated: May 5, 2025

One of the simplest ways to help your durability as a baseball player is to regularly have your shoulder measured


Measuring total range of motion of the shoulder, both external rotation and internal rotation, can help to inform not just an athletes training, but their throwing program

For example, we know from the data that the ideal difference in internal rotation of the throwing shoulder, versus the non throwing shoulder, is 12-17 degrees


Players that maintained a 12-17 degree gap, stayed healthy


However, those who exceeded that range-even by just a few degrees-had a much higher incidence of injury


Baseball injury rates have continued to skyrocket


But with the injury rate increasing has also come better knowledge and data about what steps can be taken to keep a healthy arm; and then it comes down to implementing the information correctly into your program


-Fenske

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