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Os trigonum impingement in dancers.

J J Marotta1, L J Micheli

  • 1Children's Hospital, Boston, Massachusetts 02115.

The American Journal of Sports Medicine
|September 1, 1992
PubMed
Summary

Surgical excision of an impinging ossicle effectively treats posterior ankle impingement in ballet dancers. Most dancers returned to full activity, demonstrating the procedure

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Area of Science:

  • Orthopedic Surgery
  • Sports Medicine
  • Anatomy

Background:

  • Posterior ankle impingement, often caused by an os trigonum, significantly affects ballet dancers.
  • Symptoms include posterior ankle pain, limited motion, and weakness, hindering dance performance.
  • Nonsurgical treatments frequently fail to resolve these debilitating symptoms.

Purpose of the Study:

  • To evaluate the efficacy of surgical excision for posterior ankle impingement in ballet dancers.
  • To assess patient outcomes, including return to dance and symptom resolution, following the procedure.

Main Methods:

  • Retrospective analysis of 12 ballet dancers (15 ankles) who underwent surgical excision of an impinging ossicle via a posterior lateral approach.
  • Patients were surveyed at an average of 28 months post-surgery.
  • All patients underwent an aggressive postoperative rehabilitation protocol.

Main Results:

  • All patients experienced improvement in impingement symptoms, with 67% reporting occasional discomfort.
  • All professional dancers returned to unrestricted dance activity within an average of 3 months.
  • Minor complications included a superficial wound infection and transient tibial nerve neurapraxia, both resolving without lasting effects.

Conclusions:

  • Surgical excision of an os trigonum is an effective treatment for posterior ankle impingement in ballet dancers.
  • The procedure allows for a successful return to high-level dance activities.
  • This surgical intervention offers a viable solution for dancers with persistent symptoms unresponsive to conservative management.

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