II. Indications

  1. Extensor Tendon Injury evaluation at PIP Joint
    1. Risk of Central Slip Extensor Tendon Injury and secondary Boutonniere Deformity

III. Exam: Elson Test

  1. Technique
    1. Patient rests their hand on table with involved finger flexed 90 degrees at the PIP Joint over the table edge
    2. Patient attempts to extend finger at PIP joint against resistance
  2. Interpretation
    1. Positive if weak extension against resistance (Central Slip Extensor Tendon Injury)
    2. Also observe if distal phalanx hyperextends while attempting PIP extension (due to lateral band tension)

IV. Resources

V. References

Images: Related links to external sites (from Bing)

Related Studies (from Trip Database) Open in New Window