The Cozen test is used to help diagnose lateral epicondylitis, more commonly referred to as tennis elbow.
How to Perform Cozen Test
Performance: To perform the Cozen test, have the patient position their wrist into pronation and radial deviation and wrist extension. The examiner should apply resistance, attempting to move the wrist into flexion.
How to Interpret Cozen Test
Positive Finding: The test is considered positive if the patient experiences pain over the lateral epicondyle during the exam, suggesting symptoms of tennis elbow or lateral epicondylitis.
Test Accuracy / Reliability / Evidence:
Source: Wallmann, H. W. (2010). Overview of Elbow Orthopedic Special Tests. Home Health Care Management & Practice, 22(7), 507–508. https://doi.org/10.1177/1084822310370571