Published 10/1/2013

Orthopaedic Trivia Quiz

AAOS Now tests your knowledge of orthopaedic trivia. Take a minute and see how well you know your orthopaedic trivia—but don’t peek at the answers! An expanded explanation of the correct answers can be found below.

1. This clinical sign of ulnar nerve palsy refers to abduction of the little finger caused by weakness of the intrinsic muscles.

  1. Wartenberg sign
  2. Vanzetti sign
  3. Thomas sign
  4. Marie-Foix sign

2. Although he never clinically described the triplane ankle fracture that bears his name, this 19th century French surgeon and anatomist did extensive studies of ankle injuries. He did describe a condition that is named for him and consists of large multifocal breast cysts in menopausal women.

  1. Lewis A. Sayre
  2. Paul Jules Tillaux
  3. E. Muirhead Little
  4. Francis E. Townsend

3. Although commonly known by another name, this “fracture of necessity” is also named after an orthopaedic society comprising graduates of the Duke University Residency Program.

  1. Piedmont fracture
  2. Green River fracture
  3. Blue Mountain fracture
  4. Mesa fracture

4. Although a pelvic fracture bearing his name is frequently seen in the patient with multiple injuries, he is perhaps best known as the author of the first comprehensive book on fractures and dislocations.

  1. Robert M. Hartley
  2. Joseph Francois Malgaigne
  3. John Charnley
  4. Jules Germain François Maisonneuve

5. Also known as a “Chauffeur” or “backfire” fracture, this injury is named for a prominent 19th century British surgeon.

  1. John Charnley
  2. Dean MacEwen
  3. Jonathan Hutchinson
  4. Frederick Banting

If you have orthopaedic trivia you think would be of interest to AAOS Now readers, email it to aaoscomm@aaos.org; fax to 847-823-8033; or mail to Orthopaedic Trivia — AAOS Now, 6300 N. River Rd., Rosemont, Ill. 60018-4262.


  1. A—Wartenberg’s sign, named after Robert Wartenberg, a German born American neurologist.
  2. B—Paul Jules Tillaux, a French physician and surgeon (1834–1904) who directed the anatomic amphitheater of Paris hospitals.
  3. A—Piedmont fracture, another name for the Galeazzi fracture, an oblique break in the distal radius, in which fragments of bone are pulled into the ulna.
  4. B—Joseph Francois Malgaigne (1806–1865) was one of the great surgical historians of the 19th century.
  5. C—Jonathan Hutchinson (1828–1913) was not only a surgeon, but also an ophthalmologist, a dermatologist, a venereologist, and a pathologist.