Types of Acromial Shapes & Size of Rotator Cuff Tears

Pain & Injury on December 15th, 2010 No Comments

There are basically three distinct shape classifications identified through an MRI: Type I (Flat), Type II (Curved) and Type III (Hooked). Researchers and Orthopedic doctors have speculated that the more severe Type III Hooked acromion was responsibile for a greater number of Rotator Cuff Tears. More recent research suggests that the Type III (Hooked) acromion increases the size of the Rotator Cuff Tear and not necessarily the frequency of these tears (Hirano M., Ide J., Takagi K.).
J Shoulder Elbow Surg. 2002 Nov-Dec;11(6):576-8

The important point here is that not every muscle injury is caused by misuse, overuse and or trauma. Structural abnormalities can contribute to the severity and frequency of certain soft tissue injuries. Would love to hear other thoughts on this topic.


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