Bilateral carpal contracture in a Neonatal Addax (Addax Nasomaculatus)

Megan K. Watson, Jennifer Langan, Michael J. Adkesson

Research output: Contribution to journalArticlepeer-review


A neonate male addax calf displayed an inability to extend its forelimbs bilaterally (range of motion restricted to 45°-50° on full extension) with resultant inability to stand. Based on examination and radiographs, the congenital defect was attributed to contracted soft tissue structures (joint capsule and/or intercarpal ligaments). Splinting, support of the limbs, and physical therapy resulted in moderate improvement of the angle of contraction (full flexion to approximately 120° on extension at day 10). The animal was able to walk with splints but died at 10 days from acute head trauma, presumably related to a traumatic fall caused by challenges with ambulation. Postmortem examination confirmed soft-tissue contracture of the forelimbs. Malposition of the calf in utero was considered a possible cause of the defect.

Original languageEnglish (US)
Pages (from-to)790-793
Number of pages4
JournalJournal of Zoo and Wildlife Medicine
Issue number3
StatePublished - Sep 2013


  • Addax
  • Addax nasomaculatus
  • Contracture
  • Flexural deformity
  • Tendon

ASJC Scopus subject areas

  • Animal Science and Zoology
  • General Veterinary


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