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Phalen’s Test

Phalen's Test is a diagnostic test for carpal tunnel syndrome discovered by an American orthopedist named George S. Phalen.

To perform the test the therapist flexes the patient’s wrists maximally and holds end position for 1 minute by pushing the patient’s wrists together.

A positive test is indicated by tingling in the thumb, index finger, and middle and lateral half of the ring finger and is indicative of carpal tunnel syndrome caused by pressure on the median nerve.