I. Indication

  1. Wrist Injury
  2. Suspected Scaphoid tubercle Fracture
  3. Suspected scapholunate instability

II. Maneuver

  1. Images
    1. OrthoHandScaphoidShift.jpg
  2. Locate Scaphoid tubercle
    1. Extensor carpi radialis at palmar crease
  3. Examiner holds pressure on tubercle
    1. Thumb on Scaphoid tubercle (volar)
    2. Index finger on dorsum behind Scaphoid
  4. Press while moving wrist from ulnar to radial deviation

III. Interpretation

  1. Pain at rest suggests Scaphoid tubercle Fracture
  2. Pain or clunk suggests scapholunate instability

Images: Related links to external sites (from Google)