There were 246 high school athletes participating in the study who received IR, HA and external rotation assessments. During on season, there were 27 shoulder and elbow injuries, all of whom experienced a significant decrease in HA and IR.
The injured athletes experienced a significant decrease in dominant shoulder total rotation compared to the uninjured athletes. Those who displayed a decrease of greater than 25 degrees of IR in the dominant shoulder were at four times the risk of upper extremity injury.
Read the abstract about shoulder injuries among athletes.
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