title: Chronic subtalar instability due to insufficiency of the calcaneofibular ligament: a case report.
abstract: Calcaneofibular ligament insufficiency in isolation is an uncommon cause of chronic instability of the subtalar joint. We report one case of chronic subtalar instability due to calcaneofibular ligament insufficiency after an ankle sprain. It was diagnosed with clinical findings and stress radiograph, and successfully treated with proximal advancement of the elongated calcaneofibular ligament.
authors.affiliation: Department of Orthopedic Surgery, Ehime University School of Medicine, Shitsukawa Shigenobu-cho, Onsen-gun, Ehime 791-0295, Japan.
authors.forename: Kazuo
authors.initials: K
authors.lastname: Kamada
authors.forename: Shohei
authors.initials: S
authors.lastname: Watanabe
authors.forename: Haruyasu
authors.initials: H
authors.lastname: Yamamoto
mesh_terms: D000328:Adult; D016512:Ankle Injuries / Q000150:complications; D002908:Chronic Disease; D005260:Female; D033023:Foot Joints / Q000503:physiopathology*; D006801:Humans; D007593:Joint Instability / Q000209:etiology*; D008023:Ligaments, Articular / Q000503:physiopathology*; D013180:Sprains and Strains / Q000150:complications; D013380:Subtalar Joint / Q000503:physiopathology*