Détail de la notice
Titre du Document
Biomechanics of ankle ligament reconstruction : An in vitro comparison of the Broström repair, Watson-Jones reconstruction, and a new anatomic reconstruction technique
Auteur(s)
BAHR R. ; PENA F. ; SHINE J. ; ...
Résumé
We wanted to use biomechanical testing in a cadaveric model to compare the Broström repair, the Watson-Jones reconstruction, and a new anatomic reconstruction method. Eight specimens were held in a specially designed testing apparatus in which the ankle position (dorsiflexion-plantar flexion and supination-pronation) could be varied in a controlled manner. Testing was done with intact ligaments and was repeated after sectioning of the anterior talofibular ligament and the calcaneofibular ligament and after a Broström repair, a Watson-Jones reconstruction, and a new anatomic reconstruction were performed. An anterior drawer test was performed using an anterior translating force of 10 to 50 N, and a talar tilt test was performed using a supination torque of 1.1 to 3.4 N-m. The forces in the anterior talofibular ligament and calcaneofibular ligament were measured with buckle transducers, and tibiotalar motion and total ankle joint motion were measured with an instrumented spatial linkage. The increase in ankle joint laxity observed after sectioning of both the anterior talofibular and calcaneofibular ligaments was significantly reduced by the three reconstructive techniques, although not always to the level of the intact ankle. Joint motion was restricted after the Watson-Jones procedure compared with that in the intact ankle. Unlike the Watson-Jones procedure, the ligament or graft force patterns observed during loading after the Broström repair and the new anatomic techniqu
Editeur
American Orthopaedic Society for Sports Medicine
Identifiant
PMID : 9240973 ISSN : 0363-5465 CODEN : AJSMDO
Source
American journal of sports medicine A. 1997, vol. 25, n° 4, pp. 424-432 [bibl. : 27 ref.]
Langue
Anglais
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