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Shoulder Special Test: Infraspinatus and Internal Rotation Resistance Strength Test (IRRST) Tests
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Shoulder Special Test: Infraspinatus and Internal Rotation Resistance Strength Test (IRRST) Tests

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This video explains how to perform the Infraspinatus and Internal Rotation and Resistance Strength Test, or IRRST. Learn how to properly assess shoulder strength with these tests and screening methods.