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Phalens Test
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Other Names
Demonstration of Phalen's Test[1]
Demonstration of the modified Phalen's test using the Semmes-Weinstein 2.83-unit monofilament[2]
- Phalen's Maneuver
- Phalen’s Test
Purpose
- Evaluate the Carpal Tunnel as a cause of hand and wrist pain
Description
- The patient is seated
- Both wrists are maximally flexed with the dorsal sides of each hand touching in a "reverse prayer" formation
- Patient needs to actively apply pressure to dorsal sides
- This position must hold this position for 30 - 60 seconds
- This position increases pressure in the carpal tunnel
- Positive Test
- Reproduction of their symptoms
- Paresthesia (burming, tingling, numbness)
Modification
- Patient flexes wrists separately
- Patient places dorsal hands against each other
- Examiner flexes patient’s wrists
Modification
- Traditional Phalen's test is performed
- Examiner uses a Semmes-Weinstein 2.83-unit monofilament
- The filament (see image, arrow) is applied perpendicular to the skin surface until it bends.
Pathology
Evidence
- Urbano et al[3]
- Sensitivity: 51% - 91%
- Specificity: 33% - 88%
See Also
References
- ↑ Image courtesy of wikimedia foundation, "Phalen Maneuver"
- ↑ Bilkis, Sayeeda, et al. "Modified Phalen's test as an aid in diagnosing carpal tunnel syndrome." Arthritis care & research 64.2 (2012): 287-289.
- ↑ Urbano, FL. Tinel's Sign and Phalen's Maneuver: Physical Signs of Carpal Tunnel Syndrome. Hosptial Physician 2000; Jul,39-44.
Created by:
John Kiel on 7 August 2019 22:00:20
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Last edited:
16 May 2023 17:27:05
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