The talocrural (ankle) joint capsule encloses the tibiotalar joint, reinforced by the deltoid ligament medially and the lateral ankle ligament complex laterally. The anterior capsule is the weakest region and is the site of anterior ankle impingement.
| Location | Surrounds the ankle (talocrural) joint between the tibia, fibula and talus |
|---|---|
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Encloses the ankle joint and its synovial fluid. Its thin front and back allow the large hinge-like movements of dorsiflexion and plantarflexion.
Anterior ankle capsular impingement produces dorsiflexion-related pain in athletes, especially footballers and dancers. Arthroscopic anterior ankle debridement removes capsular fibrosis and osteophytes to restore dorsiflexion. Total ankle replacement requires capsular resection and ligament balancing.
Anterior talocrural capsule fibrosis producing dorsiflexion-related anterior ankle pain, treated by arthroscopic capsulectomy and osteophyte debridement.
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