Related Experiment Videos
[Extensor tenodesis to the retinaculum extensorum: anatomic and biomechanical study]
J P Binder1, M Revol, A Cormerais
1Service de chirurgie plastique, hôpital Saint-Louis, 1, avenue Claude Vellefaux 75010 Paris, France. jean-philippe.binder@svp.ap-hop-paris.fr
Chirurgie De La Main
|December 21, 2002
Summary
This biomechanical study found the extensor retinaculum strong enough for extensor digitorum communis (EDC) tenodesis. Anatomical analysis confirmed its suitability for surgical fixation, offering a new dynamic tenodesis option.
Area of Science:
- Orthopedic surgery
- Biomechanics
- Anatomy
Context:
- Extensor tenodesis is a dynamic surgical procedure.
- Current methods often involve fixation to the distal radius.
- Alternative fixation sites, like the extensor retinaculum, warrant investigation.
Purpose:
- To biomechanically assess the extensor retinaculum's suitability for extensor digitorum communis (EDC) tenodesis.
- To analyze retinaculum displacement and anatomical positioning during simulated surgical conditions.
Summary:
- A biomechanical study analyzed 24 wrists, measuring retinaculum width and displacement under varying traction forces (1kg and 6kg).
- Radiological analysis confirmed the proximal border's consistent position relative to the wrist's center of rotation.
- Findings indicate the extensor retinaculum possesses adequate strength and anatomical characteristics for surgical tenodesis.
Impact:
- Provides evidence supporting the extensor retinaculum as a viable fixation point for EDC tenodesis.
- May offer surgeons a new technique for dynamic wrist reconstruction.
- Contributes to understanding wrist anatomy and biomechanics in surgical contexts.