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Infraspinatus Tear: Sensitivity and Specificity

Introduction: Part of the rotator cuff.

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Tags: Musculoskeletal Tag this Diagnosis.

The sensitivity and specificity of findings for Infraspinatus Tear are listed below. See the left navigation bar to change the display.

Specific Findings

Finding SensitivitySpecificity Comments, Study
External Rotation Lag Sign Edit 70%100%

weakness in external rotation with arm abducted 20 degrees

Study: Joint Bone Spine. 2008 Dec 5. PMID: 19059801
External Rotation Drop Sign Edit 21%100%

weakness in external rotation with arm abducted to 90 degrees

Study: Joint Bone Spine. 2008 Dec 5. PMID: 19059801

Poorly Diagnostic Findings

Finding SensitivitySpecificity Comments, Study
Resist External Rotation Edit 79%67%

arm at side, elbow flexed, resist external rotation

Study: Joint Bone Spine. 2008 Dec 5. PMID: 19059801
Patte Test Edit 76%57%

arm at 90 degress, elbow flexed, resist external rotation

Study: Joint Bone Spine. 2008 Dec 5. PMID: 19059801

 

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