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What is Phalen's test is used in which of the following condition ? and explain in detail?
Phalen&;s test / wrist flexion : done in carpal tunnel syndrome - the patient is asked to actively place the wrist in complete but unforced flexion . If tingling sensation& numbness is produced in the median nerve distribution of the hand within 60 sec, the test is positive .It is most sensitive provocative test. Has a specificity of 80%. REF:textbook of ohopedics, John Ebenezer , 4th edition, pg.no 394