Cozen's test

Cozen's test is a physical examination test that is used to diagnose tennis elbow, also known as lateral epicondylitis. The test is named after Dr. Alfred Cozen, who first described it in 1953.

Procedure

The patient is asked to make a fist, pronate the forearm, and radially deviate and extend the wrist while the examiner resists the motion. A positive test is indicated by pain or weakness.

Interpretation

A positive Cozen's test suggests that the patient may have tennis elbow or lateral epicondylitis. However, it is not definitive and further diagnostic tests may be required.

Limitations

While the Cozen's test is a useful tool in diagnosing tennis elbow, it is not 100% accurate. Other conditions such as radial tunnel syndrome or posterior interosseous nerve syndrome can also cause pain in the same area and may be mistaken for tennis elbow.

See also

• Tennis elbow
• Physical examination
• Lateral epicondylitis

References

Cozen's test Resources
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