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Scaphoid Shift Test

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Other Names

  • Watson's Test
  • Watson's Scaphoid Test
  • Watson Scaphoid Shift Test

Purpose

The examiner's thumb applies pressure to the scaphoid tubercle while the subject's hand is moved from ulnar deviation to radial deviation[1]

Description

  • The patient is seated with arm resting on table
  • The examiner places their thumb on the scaphoid tubercle on the palmer side, other fingers placed on the distal radius
  • The other hand holds the patients hand at the metacarpals
  • The wrist is slightly extended with ulnar deviation
  • This position is then inverted to radial deviation and slight palmer flexion
  • During this maneuver, the examiner is applying constant pressure with their thumb on the scaphoid tubercle
  • Positive Test:
    • Dorsal shift or displacement of fracture fragment
    • When pressure is removed, fragment will spontaneously reduce
  • Compare with unaffected wrist

Pathology


Evidence

  • Unknown

See Also


References

  1. Chae, Seungbum, Youn-Tae Roh, and Il-Jung Park. "Scapholunate Dissociation: Current Concepts of the Treatments." Archives of Hand and Microsurgery 25.2 (2020): 77-89.
Created by:
John Kiel on 10 August 2019 01:30:00
Authors:
Last edited:
22 February 2022 15:48:40
Category: