I. Indications

  1. Wrist Injury
  2. Suspected perilunate instability
  3. Suspected Triangular Fibrocartilage Tear

II. Maneuver: Perilunate Instability

  1. Examiner holds wrist in flexion
  2. Patient extends fingers against resistance

III. Maneuver: TFCC Instability

  1. Examiner stabilizes radial aspect of the wrist with one hand
  2. Examiner applies anteroposterior stress to the ulnar side of the wrist with other hand

IV. Interpretation

  1. Excessive motion suggests instability

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