Anatomy of the Lateral Ankle Ligaments

The anatomy of the lateral ankle ligaments that is fre quently described in articles and book chapters often lacks the precision of orientation and attachment points. We believe a knowledge of this precise anatomy is im portant to better reconstruct or repair lateral ligaments. We dissected cadaveric ankles free of skin and soft tis sue and made the following measurements: areas of attachments of the anterior talofibular ligament, length and width of the anterior talofibular ligament, and loca tions of the attachments on the fibula and talus. The same measurements were made of the calcaneofibular and posterior talofibular ligaments. The distance of the calcaneofibular calcaneal attachments from the subta lar joint as well as the angle in the sagittal plane with the fibula was determined. We then used these anatomic attachments of the ligaments to make comparisons with the Watson-Jones and modified Elmslie reconstruc tions. Our results enable us to suggest a more anatomic placement for ligaments in a reconstruction.

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